文献检索

查找使用阿拉丁产品的科研文献

检索与阿拉丁产品相关的同行评审论文、DOI、PubMed 编号、期刊、作者、CAS 号及研究领域。

科研影响力快照

与阿拉丁产品相关的已发表科研成果

在搜索之前,这些指标可帮助访客快速了解产品关联科研的规模与质量。

346,364+ SCI 论文 与阿拉丁产品引用相关
2,295,288.15 总影响因子 匹配文献记录中影响因子的总和
81.20 最高期刊影响因子 匹配期刊中的最高 IF
6.63 平均期刊影响因子 匹配文献的平均 IF

参考指标 指标基于阿拉丁文献引用数据库及期刊影响因子记录。文献关联仅供科研参考,请以原始文献为准。

热门产品

视图 列表 网格

显示第25至36个,产品总数84个

设置提升方向
Parkin
BIOCHEMICAL PHARMACOLOGY · 2024 · IF 5.3

Geniposide effectively safeguards HT22 cells against Aβ-induced damage by activating mitophagy via the PINK1/Parkin signaling pathway

Jia Xi Ye,Jia Ying Wu,Liang Ai,Min Zhu,Yun Li,Dong Yin,Qihui Huang

Alzheimer’s disease (AD) is a neurodegenerative disorder characterized by the significant involvement of amyloid-beta (Aβ) peptide in its pathogenesis. Geniposide, derived from the versatile medicinal of Gardenia jasminoides , is one of the active compounds studied extensively. The objective was to explore the impact of geniposide on Aβ 25-35 -induced damage in HT22 cells, specifically focusing on its modulation of PINK1/Parkin-mediated mitophagy. In our investigation, geniposide exhibited remarkable restorative effects by enhancing cell viability and preserving the mitochondrial membrane potential. Moreover, it effectively reduced and mitigated the oxidative stress and apoptosis rates induced by Aβ 25-35 . Notably, geniposide exhibited the capacity to enhance autophagic flux, upregulate LC3II and Beclin-1 expression, and downregulate the expression of p62. Furthermore, geniposide positively influenced the expression of PINK1 and Parkin proteins, with molecular docking substantiating a strong interaction between geniposide and PINK1/Parkin proteins. Intriguingly, the beneficial outcomes of geniposide on alleviating the pronounced apoptosis rates, the overproduction of reactive oxygen species, and diminished the PINK1 and Parkin expression induced by Aβ 25-35 were compromised by the mitophagy inhibitor cyclosporine A (CsA). Collectively, these findings suggested that geniposide potentially shields HT22 cells against neurodegenerative damage triggered by Aβ 25-35 through the activation of mitophagy. The insights contribute valuable references to the defensive consequences against neurological damage of geniposide, thereby highlighting its potential as a therapeutic intervention in AD.

研究领域: 神经科学 · 药理学 · 细胞生物学 · 分子生物学 · 神经退行性疾病
✓ 已验证 DOI PubMed 高影响因子
查看原文 查看 PubMed
International Journal of Nanomedicine · 2021 · IF 6.4

Enhancing of Nanocatalyst-Driven Chemodynaminc Therapy for Endometrial Cancer Cells Through Inhibition of PINK1/Parkin-Mediated Mitophagy

Xiaodi Gong,Xin Pu,Jing Wang,Linlin Yang,Yunxia Cui,Lijuan Li,Xiao Sun,Jichang Liu,Jingfeng Bai,Yudong Wang

Purpose Iron-based nanomaterials have recently been developed as excellent and potent Fenton reagents to reactive oxygen species (ROS) during chemodynamic therapy (CDT). The performance of the materials, however, can be impaired by the intrinsic antioxidant defense mechanism in organisms, such as autophagy. Methods The nanoscale metal-organic frameworks (nMOFs), nMIL-100 (Fe), were exploited and characterized. Also, the Fenton-like catalytic characteristics, anti-endometrial cancer (EC) effects and potential mechanisms of nMIL-100 (Fe) nanoparticles were investigated in vitro. Results The synthesized nMIL-100 (Fe) nanocatalyst catalyzed hydroxyl radicals (·OH) production in the presence of hydrogen peroxide (H 2 O 2 ) and simultaneously depleted intracellular glutathione (GSH). Combining with H 2 O 2 , nMIL-100 (Fe) nanoparticles exhibited enhanced cytotoxicity for EC cells, especially for progesterone treatment-insensitive KLE cells, probably due to relatively lower expression of the catalase gene. The accumulated ·OH initiated PTEN induced putative kinase 1 (PINK1)/E3 ubiquitin-protein ligase Parkin-mediated cytoprotective mitophagy in turn to partially rescue ·OH-induced cell apoptosis. Furthermore, both pretreatments of EC cells with siRNA-mediated Parkin knockdown and Mdivi-1 (a mitophagy inhibitor) addition were sufficient to ensure nMIL-100 (Fe) synergizing with H 2 O 2 -induced oxidative damages. Conclusion These results suggest that the degree of mitophagy should be taken into consideration to optimize therapeutic efficiency when developing ROS based-CDT for EC cancer therapies. Therefore, a nMIL-100 (Fe)-guided, elevated ROS and overwhelmed mitophagy-mediated therapeutic strategy may have greater promise for EC therapy compared with current treatment modalities.

研究领域: 纳米技术 · 癌症研究 · 细胞生物学 · 治疗学 · 肿瘤学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
PHYTOMEDICINE · 2025 · IF 8.3

FoxO1/PINK1/Parkin-Dependent Mitophagy Mediates the Chondroprotective Effect of Guzhi Zengsheng Zhitong Decoction in Osteoarthritis

Lu Bocheng,Chen Yongfu,Cai Junjie,Li Ziqi,Guo Lina,Qu Tingli,Tang Li,Zheng Qian

Objective Guzhi Zengsheng Zhitong Decoction (GZZD) is a classic traditional Chinese medicine (TCM) prescription for treating knee osteoarthritis (OA), and has been widely used in clinical practice in China. Given that Forkhead box protein O 1 (FoxO1) has been identified as a potential therapeutic target for OA treatment, this study investigates the chondroprotective effects of GZZD through FoxO1-mediated mitochondrial regulation, bridging traditional medicine with contemporary molecular insights. Methods The therapeutic effects of GZZD on OA and its chondroprotective mechanisms were evaluated both in vivo and in vitro . A rat model of knee OA was established by intra-articular injection of monosodium iodoacetate (MIA), while an in vitro OA model was induced by IL-1β stimulation in chondrocytes. Histological staining, immunohistochemistry, and Western blot analyses were performed to assess cartilage protection. Serum ingredients of GZZD were identified using LC-MS/MS, and the core pathways involved in GZZD-mediated chondroprotection were explored through transcriptomics and network pharmacology. Key protein expression was examined, and molecular biology techniques were applied to validate the role of FoxO1 and its downstream pathways in regulating chondrocyte autophagy, apoptosis, and mitochondrial dysfunction. Additionally, molecular docking and molecular dynamics simulations were conducted to analyze interactions between bioactive compounds and FoxO1. Results GZZD significantly ameliorated MIA-induced knee joint damage, reduced cartilage degradation and subchondral bone destruction, and decreased OARSI scores. Treatment with GZZD markedly decreased serum levels of pro-inflammatory cytokines (IL-1β, IL-6, TNF-α) while enhancing protective autophagy in chondrocytes. Furthermore, GZZD inhibited chondrocyte apoptosis and mitochondrial dysfunction, accompanied by the upregulation of the cartilage matrix protein COL2A1 and the anti-apoptotic protein BCL2, along with downregulation of catabolic factors (MMP13, IL-1β). Mechanistically, GZZD activated the FoxO1/PINK1/Parkin pathway, restoring mitochondrial homeostasis and mitigating mitochondrial-dependent apoptosis, ultimately protecting chondrocytes from OA-related damage. Conclusion For the first time, this study demonstrates that the traditional Chinese medicine formula GZZD alleviates osteoarthritis by activating the FoxO1/PINK1/Parkin pathway, thereby restoring mitochondrial function and protecting chondrocytes from injury. These findings not only establish GZZD as a promising complementary therapy for OA but also provide a scientific foundation for developing FoxO1-targeted therapeutics.

CAS / MDL: 305-53-3
研究领域: 中医中药 · 分子生物学 · 药理学 · 风湿病学 · 线粒体生物学 · 系统生物学 · 计算生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
Food & Function · 2023 · IF 6.1

Acer truncatum Bunge seed oil ameliorated oxaliplatin-induced demyelination by improving mitochondrial dysfunction via Pink1/Parkin mitophagy pathway

Dekun Cheng,Zhangtie Wang,Xin Guo,Yiwen Guo,Yu Zhang,Yuanhui Zhao,Ruijie Liu,Ming Chang

Dietary nutritional support for special populations is an effective and feasible method to improve quality of life of patients and reduce medical pressure. The effects of ATSO on chemotherapy population were evaluated by a zebrafish model of demyelination. The results showed that 100 μg/mL ATSO reversed tail morphology damage, axon degeneration, touch response delay, ROS level upregulation and the expression of myelin basic protein decrease in chemotherapy-induced zebrafish. In addition, the expression of myelin markers (including sox10, krox20, pmp22) in oxaliplatin-induced cells was markedly reversed by ATSO and its active components (gondoic acid, erucic acid, nervonic acid). ATSO and its active components could reverse demyelination by ameliorating mitochondrial dysfunction. Conversely, linoleic acid and linolenic acid promoted demyelination by exacerbating mitochondrial dysfunction. Moreover, the Pink1/Parkin pathway was recognized as the main reason for ATSO and its active components to improve mitochondrial function by activating mitophagy and restoring autophagic flow. Taken together, this study demonstrated that ATSO and its active components could be further developed as novel functional food ingredients to antagonize demyelination.

研究领域: 神经科学 · 药理学 · 营养学 · 细胞生物学 · 分子生物学
✓ 已验证 DOI PubMed 高影响因子
查看原文 查看 PubMed
BIOCHEMICAL PHARMACOLOGY · 2025 · IF 5.6

Cordycepin alleviates metabolic dysfunction-associated liver disease by restoring mitochondrial homeostasis and reducing oxidative stress via Parkin-mediated mitophagy

Hai-Ying Tian,Dao-Jiang Yu,Teng Xie,Meng-Xia Xu,Yu-Hao Wang,Xi-Lu Sun,Xin-Meng Zhou,Ying-Xuan Han,Qing-Qing Liao,Yu-Jie Zhao,Juan Liao,Mohamed El-Kassas,Xiao-Dong Sun,Yuan-Yuan Zhang

The prevalence of metabolic dysfunction-associated steatotic liver disease (MASLD) keeps rising with only a few drugs available. The present study aims to investigate the effects and mechanisms of cordycepin on MASLD. Male C57BL/6 mice were induced with a 90-day high-fat diet (HFD) and intraperitoneal administration with streptozotocin to establish MASLD murine model. Then they were randomly divided into the HFD and cordycepin groups (15, 30, 45 mg/kg). Cordycepin was orally given for 30 days. Serum total cholesterol (TC), triacylglyceride (TG), and aspartate aminotransferase (AST) levels were measured. L02 cells were induced by oleate acid (OA) or lipopolysaccharides (LPS), and treated with cordycepin or combined with inhibitors including chloroquine, 3-Methyladenine, and compound C. Atg7 and Parkin were knocked down in L02 cells using siRNA. Oil Red O and Nile Red staining for measuring lipid deposition. Mitochondria were visualized by transfection with mCherry-TOMM20-N10. Quantitative real-time PCR, Western blotting, and immunofluorescence staining were used to determine expressions of key molecules in inflammation, lipid metabolism, mitochondria homeostasis, and oxidative stress. Cordycepin significantly mitigated lipid deposition and ballooning in the livers of MASLD mice. Serum TC, TG, and AST levels were decreased by cordycepin. Cordycepin alleviated OA-induced lipid deposition and LPS-induced inflammation in L02 cells, attenuated oxidative stress, promoted autophagy, and maintained the autophagic flux by activating AMP-activated protein kinase (AMPK). Cordycepin reduced the accumulation of impaired mitochondria by enhancing Parkin-dependent mitophagy and promoting mitochondrial biogenesis. Cordycepin alleviates MASLD by restoring mitochondrial homeostasis and reducing oxidative stress via activating the Parkin-mediated mitophagy.

CAS / MDL: 30525-89-4 5142-23-4
研究领域: 药理学 · 肝病学 · 分子生物学 · 细胞代谢
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS · 2023 · IF 3.9

Silibinin alleviates ferroptosis of rat islet β cell INS-1 induced by the treatment with palmitic acid and high glucose through enhancing PINK1/parkin-mediated mitophagy

Qingqing Du,Xiaoyun Wu,Kai Ma,Weiwei Liu,Panwen Liu,Toshihiko Hayashi,Kazunori Mizuno,Shunji Hattori,Hitomi Fujisaki,Takashi Ikejima

Type 2 diabetes (T2DM) is induced by the abundance of glucose and lipids , which causes glucolipotoxicity to the pancreatic β-cells. Silibinin is a natural flavonoid possessing the regulatory activity on insulin production and therapeutic activity in diabetic mice; however, its effect on glucolipotoxicity is not fully explained. This in vitro study investigates the effects of silibinin on palmitic acid (PA) and high glucose (HG)-induced cell loss and ferroptosis of rat insulinoma INS-1 cells. In the cells treated with PA and HG, expressions of glucose transporter 4 (Glut4) and carnitine acyltransferase I (CPT1) for β-oxidation of fatty acids are reduced. Mitochondria are the metabolic organelles for glucose and fatty acids. The mitochondrial membrane potential (MMP) and ATP production were decreased, while the ROS level was elevated in the cells treated with PA and HG, indicating an induction of mitochondrial disorder . Cell loss was partially rescued by ferroptosis inhibition, suggesting an involvement of ferroptosis in the cells treated with PA and HG. More importantly, the increases in total iron, lipid ROS, MDA and COX-2, and the decrease in ferroptosis inhibitory molecules GSH, GPX4 and FSP1 appeared in the cells treated with PA and HG, confirming the occurrence of ferroptosis. Moreover, PINK1/parkin-mediated mitophagy , a vital process for selective elimination of damaged mitochondria, was blocked. Interestingly, silibinin rescued the mitochondria, restricted the ferroptosis and restored the mitophagy. By using the pharmacological stimulator and inhibitor of mitophagy, and si-RNA transfection to silence PINK1 expression, silibinin's protective effect against ferroptosis caused by PA and HG treatment was found to depend on mitophagy. Collectively, our current study reveals the new mechanisms for the protection of silibinin against the injury of INS-1 cells treated with PA and HG, elucidates the participation of ferroptosis in glucolipotoxicity, highlighting the involvement of mitophagy in defense against ferroptotic cell death.

CAS / MDL: 57-10-3
研究领域: 糖尿病 · 细胞生物学 · 药理学 · 生物化学 · 分子生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
Reproductive Sciences · 2025 · IF 2.5

The Mechanistic Study of Mitochondrial Autophagy and Ferroptosis in the Progression of Decreased Ovarian Reserve

Ma Qianwen,Wu Lifei,Wu Jianfei,Ni Binfei,Wang Jiajia,Song Shiyan

Objective To investigate the mechanism in the progression of decreased ovarian reserve (DOR). Methods Three-month-old female SD rats were employed and randomly divided into the model group and the normal group. The model group was intraperitoneally injected with 4-vinylcyclohexene diepoxide (VCD). Thereafter, blood sample from the abdominal aorta was taken, and rats were sacrificed, and ovarian tissues were obtained by laparotomy. Results HE staining results revealed that the model group exhibited significantly reduced ovarian volume, increased follicular atresia, and decreased quantities of growing follicles and corpus luteum, thereby indicating degraded reserve function of ovarian. TEM images revealed that prominent autophagic vacuoles could be observed in the model group, accompanied by the mitochondria shrinkage and generation of the autophagosome. The expression of Pink1, Parkin, BNIP3L and LC3II genes in ovaries of the model group was significantly higher than those of the normal group ( P  < 0.05). In addition, the protein expression of Pink1, Parkin, BNIP3L and LC3II in ovaries of the model group were higher than those of the normal group ( P  < 0.05). The expression of Fe 2+ and GSH in oocytes of the model group was higher than those of the normal group ( P  < 0.05). The expression of FTH1 and GPX4 in oocytes of the model group was significantly higher than those of the normal group ( P  < 0.05). Conclusions Mitochondrial autophagy and ferroptosis may participate in the progression of decreased ovarian reserve (DOR).

CAS / MDL: 100-40-3
研究领域: 生殖生物学 · 细胞生物学 · 医学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
PHYTOMEDICINE · 2025 · IF 8.3

Verbenalin protects against coronavirus pneumonia by promoting host immune homeostasis. Evidences for its mechanism of action

Qiyue Sun,Ronghua Zhao,Shuran Li,Weiqin Zhou,Jingsheng Zhang,Bo Pang,Shilan Ding,Lei Bao,Zihan Geng,Rui Xie,Dan Xie,Xiaolan Cui,Shanshan Guo,Jing Sun

Background Coronavirus has caused high-mortality viral pneumonia worldwide. The pathogenesis is characterized by hyperinflammatory reactions resulting from immune homeostasis dysregulation. Verbenalin, an iridoid glucoside derived from Verbena officinalis L ., is widely used in Traditional Chinese Medicine (TCM) clinical practice for its antioxidant, anti-inflammatory and antiviral properties. Purpose This study aimed to investigate the pharmacological effects and underlying mechanisms of verbenalin on coronavirus pneumonia both in vivo and in vitro. Methods A coronavirus pneumonia mouse model and macrophage injury models, including mouse alveolar macrophage cell line (MH-S) cells and primary macrophages, were established to initially confirm the antiviral effects of verbenalin. Time-resolved proteomic were then employed to uncover proteomic changes and identify potential therapeutic targets for coronavirus treatment. Subsequently, flow cytometry and Western blot were employed to investigate verbenalin's effects on NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome pathway. Additionally, the targeting regulation of phosphatase and tensin homolog-induced putative kinase 1 (PINK1) / E3 ubiquitin ligase Parkin (Parkin) pathway by verbenalin was validated through molecular docking, surface plasmon resonance (SPR), immunofluorescent staining, RNA interference (RNAi), and mitophagy inhibition both in vivo and in vitro. Results Verbenalin reduced cell injury and inflammation in Human coronavirus 229E (HCoV-229E)-infected macrophages and improved lung inflammation in mice. Proteomics analysis highlighted the roles of nucleotide-binding oligomerization domain (NOD)-like receptor signaling and mitophagy pathways in coronavirus pneumonia. Verbenalin bound strongly to PINK1 and Parkin proteins, increased mitochondrial membrane potential (MMP), decreased mitochondrial reactive oxygen species (mtROS) levels, reduced the opening of mitochondrial permeability transition pore (MPTP), maintained mitochondrial mass, promoted mitophagy flux, upregulated the expression of PINK1, Parkin, and microtubule-associated protein 1A/1B-light chain 3BII (LC3BII). Additionally, verbenalin inhibited the activation of the NLRP3 inflammasome and downregulated the expression of Interleukin-1 beta (IL-1β), cysteine aspartate-specific protease 1 (caspase-1), and gasdermin D (GSDMD) both in vivo and in vitro. Furthermore, treatment with a mitophagy inhibitor and RNAi attenuated the inhibitory effects of verbenalin on NLRP3 activation, confirming the involvement of the PINK1/Parkin/NLRP3 pathway in verbenalin's protective effects. Conclusion Verbenalin enhances PINK1/Parkin-mediated mitophagy to suppress NLRP3 activation, thereby promoting immune homeostasis and mitigating HCoV-229E-induced inflammation.

CAS / MDL: 548-37-8
研究领域: 药理学 · 免疫学 · 病毒学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
PHYTOTHERAPY RESEARCH · 2026 · IF 8.1

Citronellal Alleviates Myocardial Senescence by Enhancing Mitochondrial Autophagy via AMPKα–PINK1/Parkin Pathway

Yi-wen Qian,Yao Lu,Miao-miao Chang,Qian-qian Niu,Jia-xin Fan,Shi-ying Xing,Peng Li,Ling Liu

Cardiomyocyte senescence contributes to the progression of multiple cardiac diseases, with oxidative stress identified as a central pathophysiological mechanism. Previous animal experiments demonstrated that citronellal (CT), administered at 200 mg/kg in rats, exerted significant cardioprotective effects. However, the molecular mechanisms underlying these effects remain unclear. This study aimed to investigate the role of CT in mitigating myocardial senescence and to elucidate its mechanistic pathways. Doxorubicin-induced myocardial senescence mouse models and H9C2 cardiomyocyte senescence models were established. SA-β-gal staining, Western blotting, immunofluorescence, and immunohistochemistry were employed to evaluate senescence and oxidative stress markers. Network pharmacology analysis and molecular docking were conducted to predict CT targets. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed to identify potential mechanisms of action. CT treatment significantly reduced myocardial oxidative stress levels, ameliorated senescent phenotypes in both in vivo and in vitro models, and enhanced mitophagy by activating the AMPKα-mediated PINK1/Parkin pathway. Bioinformatics analyses further supported the involvement of oxidative stress resistance and mitophagy regulation as central mechanisms underlying CT's cardioprotective effects. Citronellal effectively alleviates cardiomyocyte senescence by reducing oxidative stress and promoting mitophagy through activation of the AMPKα–PINK1/Parkin signaling pathway. These findings provide experimental evidence supporting CT as a promising cardioprotective agent and highlight a novel mechanism of action that may inform future therapeutic strategies for cardiac aging and related diseases.

CAS / MDL: 106-23-0
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
Toxics · 2025 ·Vol. 13 ·期 11 ·942 · IF 4.1

Cardiotoxic Effect Induced by F-53B via Nitric Oxide Signalling on Parkin−/− Mice

Jun Nie,Chao Hu,Yuru Huang,Ying Ma,Liping Lu

A comprehensive understanding of gene-environment interactions is essential for maintaining human cardiac health, and deficiency in the keyparkingene exacerbates cardiac injury. Per- and polyfluoroalkyl substances (PFAS) exposure has been determined cardiotoxicity from the epidemiological perspective but the potential remained unclear. Here, we investigated the co-effects on cardiac pathological structure and function of an emerging PFAS, 6:2 chlorinated polyfluorinated ether sulfonate acid (F-53B), on male parkin−/−mice at dose of 3 and 3000 μg/kg for 60 d. Mechanism was focused on the activity, phosphorylation of endothelial nitric oxide synthase (eNOS), and the content of nitric oxide (NO), vital vascular function regulating molecule. F-53B significantly increased cardiac fibrosis to 1.58- and 2.80-fold, and cardiac troponin T (cTNT) to 1.17- and 1.32-fold compared with control group, at dose of 3 and 3000 μg/kg, respectively, indicating F-53B can inhibit the normal activities of the heart and cause functional disorders. Content and phosphorylation of eNOS significantly decreased to 0.68-, 0.67-fold, and to 0.65-, 0.54-fold compared with control group, respectively. The subsequent content of NO level was also significantly decreased to 0.47- and 0.33-fold, respectively, indicating that significant co-effects of parkin deficiency and F-53B exposure on cardiac function and structural changes via eNOS/NO signalling. Our work underscores the importance of assessing cardiac risk associated with PFAS at environmentally relevant doses, especially considering environmental exposure and gene co-interaction from the perspective of F-53B andparkingene.

CAS / MDL: 9048-46-8
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
Cells · 2026 ·Vol. 15 ·期 2 ·137 · IF 5.2

BAP31 Modulates Mitochondrial Homeostasis Through PINK1/Parkin Pathway in MPTP Parkinsonism Mouse Models

Wanting Zhang,Shihao Meng,Zhenzhen Hao,Xiaoshuang Zhu,Lingwei Cao,Qing Yuan,Bing Wang

Parkinson’s disease (PD) is a neurodegenerative disorder characterized by age-dependent degeneration of dopaminergic neurons in the substantia nigra, a process mediated by α-synuclein aggregation, mitochondrial dysfunction, and impaired proteostasis. While BAP31—an endoplasmic reticulum protein critical for protein trafficking and degradation—has been implicated in neuronal processes, its role in PD pathogenesis remains poorly understood. To investigate the impact of BAP31 deficiency on PD progression, we generated dopamine neuron-specific BAP31 conditional knockout with DAT-Cre (cKO) mice (Slc6a3cre-BAP31 fl/fl ) and subjected them to MPTP-lesioned Parkinsonian models. Compared to BAP31 fl/fl controls, Slc6a3cre-BAP31 fl/fl mice exhibited exacerbated motor deficits following MPTP treatment, including impaired rotarod performance, reduced balance beam traversal time, and diminished climbing and voluntary motor capacity abilities. BAP31 conditional deletion showed no baseline phenotype, with deficits emerging only after MPTP. Our results indicate that these behavioral impairments correlated with neuropathological hallmarks: decreased NeuN neuronal counts, elevated GFAP astrogliosis, reduced tyrosine hydroxylase levels in the substantia nigra, and aggravated dopaminergic neurodegeneration. Mechanistically, BAP31 deficiency disrupted mitochondrial homeostasis by suppressing the PINK1–Parkin mitophagy pathway. Further analysis revealed that BAP31 regulates PINK1 transcription via the transcription factor Engrailed Homeobox 1. Collectively, our findings identify BAP31 as a neuroprotective modulator that mitigates PD-associated motor dysfunction by preserving mitochondrial stability, underscoring its therapeutic potential as a target for neurodegenerative disorders.

CAS / MDL: 9005-64-5
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
Journal of Orthopaedic Surgery and Research · 2023 ·Vol. 18 ·期 1 ·1-15 · IF 2.6

PPARγ activation suppresses chondrocyte ferroptosis through mitophagy in osteoarthritis

Xue Xiang,Dai Tianming,Chen Junyan,Xu Yangyang,Yang Zhenyu,Huang Jian,Xu Wuyan,Li Siming,Meng Qingqi

Background Osteoarthritis (OA) is a prevalent disease plaguing the elderly. Recently, chondrocyte ferroptosis has been demonstrated to promote the progression of OA. Peroxisome proliferator-activated receptor-γ (PPARγ) is an important factor in maintaining cartilage health. However, the relationship between PPARγ and chondrocyte ferroptosis in OA and its mechanism is completely unclear.Methods We established a surgically induced knee OA rat model to investigate PPARγ and chondrocyte ferroptosis in OA. Rat knee specimens were collected for Safranin O/Fast Green staining and immunohistochemical staining after administered orally placebo or pioglitazone (PPARγ agonist) for 4 weeks. We used RSL3 to establish a chondrocyte ferroptosis model cultured in vitro to study the role of PPARγ activation toward ferroptosis, mitochondrial function, and PTEN-induced putative kinase 1 (Pink1)/Parkin-dependent mitophagy. GW9662 (PPARγ antagonist), Mdivi-1 (mitophagy inhibitor), and chloroquine (mitophagy inhibitor) were employed to investigate the mechanism of PPARγ-Pink1/Parkin-dependent mitophagy in the inhibition of ferroptosis.Results We found that PPARγ activation by pioglitazone attenuated not only OA but also inhibited the expression of the ferroptosis marker acyl-CoA synthetase long-chain family member 4 (ACSL4) at the same time in rats. Furthermore, in vivo and in vitro data indicated that PPARγ activation restored Pink1/Parkin-dependent mitophagy, improved mitochondrial function, inhibited chondrocyte ferroptosis, and delayed the progression of OA.Conclusion sThe present study demonstrated that PPARγ activation attenuates OA by inhibiting chondrocyte ferroptosis, and this chondroprotective effect was achieved by promoting the Pink1/Parkin-dependent mitophagy pathway.

CAS / MDL: 9004-32-4
研究领域: 骨科 · 细胞生物学 · 药理学
✓ 已验证 产品关联 DOI PubMed 高影响因子
查看原文 查看 PubMed
已复制

文献关联基于可获得的产品、CAS、DOI 及引用记录。收录不代表作者或出版方对阿拉丁产品的背书,请以原始文献为准。