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Dimethyl Fumarate attenuates synovial inflammation, reduces nociception, and inhibits the development of post-traumatic osteoarthritis
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117865
Nazir M. Khan , Jarred M. Kaiser , Samir Chihab , Tracy Eng , Hicham Drissi
There is currently no cure or disease-modifying treatment for post-traumatic osteoarthritis (PTOA). This study aims to assess the efficacy of dimethyl fumarate (DMF), a US-FDA approved drug for multiple sclerosis, as a treatment for PTOA. PTOA was induced in male Lewis rats by medial meniscal transection (MMT) surgery, and DMF was intra-articularly administered once, one week following surgery. PTOA progression was evaluated using histological, molecular, and radiographic analyses, while secondary allodynia was measured longitudinally, and pain-related markers expression were analyzed in dorsal root ganglion (DRG). 3D radiographic imaging by µCT analysis revealed that DMF treatment attenuated cartilage degradation by decreasing cartilage lesions, surface roughness, and osteophyte formation in the proximal tibiae. Histological analysis showed that DMF markedly inhibited cartilage erosion and cartilage surface fibrillation. Gene expression and Luminex analysis indicated that DMF suppressed joint inflammation by inhibiting inflammatory cytokines. DMF mitigated allodynic pain behavior at 6 weeks and repressed pain mediator expression (Calca, Tac1, Trpv1) in lumbar DRGs. Additionally, DMF treatment inhibited inflammatory gene expression and cytokine secretion induced by IL1β stimulation of human articular chondrocytes in vitro. Mechanistically, DMF treatment reduced colony-stimulating factor 2 (CSF2 or GM-CSF) level in the synovial fluid in vivo and inhibited its expression in human OA chondrocytes. Furthermore, siRNA targeting of CSF2 reduced inflammatory gene expression in human chondrocytes. The findings suggest that DMF reduced inflammatory gene expression, inhibited cartilage degeneration, and mitigated PTOA development in rats. It also alleviated pain behavior indicating its potential as a disease-modifying therapy for PTOA.
{"title":"Dimethyl Fumarate attenuates synovial inflammation, reduces nociception, and inhibits the development of post-traumatic osteoarthritis","authors":"Nazir M. Khan ,&nbsp;Jarred M. Kaiser ,&nbsp;Samir Chihab ,&nbsp;Tracy Eng ,&nbsp;Hicham Drissi","doi":"10.1016/j.biopha.2025.117865","DOIUrl":"10.1016/j.biopha.2025.117865","url":null,"abstract":"<div><div>There is currently no cure or disease-modifying treatment for post-traumatic osteoarthritis (PTOA). This study aims to assess the efficacy of dimethyl fumarate (DMF), a US-FDA approved drug for multiple sclerosis, as a treatment for PTOA. PTOA was induced in male Lewis rats by medial meniscal transection (MMT) surgery, and DMF was intra-articularly administered once, one week following surgery. PTOA progression was evaluated using histological, molecular, and radiographic analyses, while secondary allodynia was measured longitudinally, and pain-related markers expression were analyzed in dorsal root ganglion (DRG). 3D radiographic imaging by µCT analysis revealed that DMF treatment attenuated cartilage degradation by decreasing cartilage lesions, surface roughness, and osteophyte formation in the proximal tibiae. Histological analysis showed that DMF markedly inhibited cartilage erosion and cartilage surface fibrillation. Gene expression and Luminex analysis indicated that DMF suppressed joint inflammation by inhibiting inflammatory cytokines. DMF mitigated allodynic pain behavior at 6 weeks and repressed pain mediator expression (Calca, Tac1, Trpv1) in lumbar DRGs. Additionally, DMF treatment inhibited inflammatory gene expression and cytokine secretion induced by IL1β stimulation of human articular chondrocytes <em>in vitro</em>. Mechanistically, DMF treatment reduced colony-stimulating factor 2 (CSF2 or GM-CSF) level in the synovial fluid <em>in vivo</em> and inhibited its expression in human OA chondrocytes. Furthermore, siRNA targeting of CSF2 reduced inflammatory gene expression in human chondrocytes. The findings suggest that DMF reduced inflammatory gene expression, inhibited cartilage degeneration, and mitigated PTOA development in rats. It also alleviated pain behavior indicating its potential as a disease-modifying therapy for PTOA.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117865"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143043814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transcriptomic insights into the anti-inflammatory mechanisms of Protaetia brevitarsis seulensis larvae in IL-1β-driven chondrosarcoma cells
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117866
Jin Mi Chun , Jun Hong Park , Byeong Cheol Moon , Su–Jin Baek
Osteoarthritis (OA) is a complex, degenerative, multi-factorial joint disease. Because of the difficulty in treating OA, developing new targeting strategies that can be used to understand its molecular mechanisms is critical. Protaetia brevitarsis seulensis larvae offer much therapeutic value; however, the presence of various active compounds and the multi-factorial risk factors for OA render the precise mechanisms of action unclear. A systematic transcriptome analysis was used to investigate the key mechanisms of action of P. brevitarsis seulensis larvae aqueous extract (PBSL) and its compounds on OA. Major mechanisms and transcription factors of PBSL were analyzed by profiling gene expression changes in interleukin (IL)-1β-induced human chondrosarcoma cell (SW1353) treated with PBSL. An in vitro assay was performed to validate the efficacy of the novel mechanism and targets of PBSL. PBSL exerted anti-inflammatory effects on SW1353 cells by regulating many molecular pathways. The IL-6/JAK/STAT3 pathway was significantly downregulated by PBSL, and STAT3 was identified as a major transcription factor regulating PBSL-induced target gene expression. Of the six PBSL compounds, the major compound was regulated by the IL-6/JAK/STAT3 pathway. This study provided potential novel mechanisms and transcription factors for PBSL and its active compounds against OA and indicated that inhibiting the IL-6/JAK/STAT3 pathway is a therapeutic target for treating OA.
{"title":"Transcriptomic insights into the anti-inflammatory mechanisms of Protaetia brevitarsis seulensis larvae in IL-1β-driven chondrosarcoma cells","authors":"Jin Mi Chun ,&nbsp;Jun Hong Park ,&nbsp;Byeong Cheol Moon ,&nbsp;Su–Jin Baek","doi":"10.1016/j.biopha.2025.117866","DOIUrl":"10.1016/j.biopha.2025.117866","url":null,"abstract":"<div><div>Osteoarthritis (OA) is a complex, degenerative, multi-factorial joint disease. Because of the difficulty in treating OA, developing new targeting strategies that can be used to understand its molecular mechanisms is critical. <em>Protaetia brevitarsis seulensis</em> larvae offer much therapeutic value; however, the presence of various active compounds and the multi-factorial risk factors for OA render the precise mechanisms of action unclear. A systematic transcriptome analysis was used to investigate the key mechanisms of action of <em>P. brevitarsis seulensis</em> larvae aqueous extract (PBSL) and its compounds on OA. Major mechanisms and transcription factors of PBSL were analyzed by profiling gene expression changes in interleukin (IL)-1β-induced human chondrosarcoma cell (SW1353) treated with PBSL. An in vitro assay was performed to validate the efficacy of the novel mechanism and targets of PBSL. PBSL exerted anti-inflammatory effects on SW1353 cells by regulating many molecular pathways. The IL-6/JAK/STAT3 pathway was significantly downregulated by PBSL, and STAT3 was identified as a major transcription factor regulating PBSL-induced target gene expression. Of the six PBSL compounds, the major compound was regulated by the IL-6/JAK/STAT3 pathway. This study provided potential novel mechanisms and transcription factors for PBSL and its active compounds against OA and indicated that inhibiting the IL-6/JAK/STAT3 pathway is a therapeutic target for treating OA.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117866"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143043885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Engineered PepFect14 analog for efficient cellular delivery of oligonucleotides
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117872
Abhijit Biswas , Kapilraj Periyasamy , Maria Maloverjan , Ly Porosk , Geeta Arya , Sudhichan Mehta , Hanna Andla , Raivo Raid , Vambola Kisand , Margus Rätsep , Jesper Wengel , Ana Rebane , Margus Pooga
The broad use of oligonucleotides (ON) in therapeutic and biotechnological applications is limited due to inefficient delivery methods. In parallel with lipids and polymeric carriers, cell-penetrating peptides (CPPs) are efficient vehicles for delivering nucleic acids of various types and activity into cells. In the current work, we examined the structural motifs required for the high efficacy of PepFect14, an often-used CPP for ON delivery, by introducing point mutations into the peptide sequence. We predicted the characteristics of modified CPPs, and analyzed their structure and ability to condense ONs into nanoparticles (NPs) using biophysical methods. We evaluated the ability of new PF14 analogs to deliver splicing switching oligonucleotides (SCO) and small interfering RNA (siRNA) in reporter cell lines, as well as microRNA miR-146a in human primary keratinocytes and in a mouse skin inflammation in vivo. Our findings indicate that the α-helical structure of PF14 is essential for efficient ON delivery, and mutations that disrupt the hydrophobic or cationic face in the peptide abolish NP formation and cellular internalization. PF14-Lys, an analog containing lysine residues instead of original ornithines, yielded a higher biological response to SCO and siRNA in the respective reporter cells than PF14. Furthermore, PF14-Lys efficiently delivered miRNA into keratinocytes and led to the subsequent downregulation of the target genes. Importantly, subcutaneously administered PF14-Lys-miR-146a NPs suppressed the inflammatory responses in mouse model of irritant contact dermatitis. In conclusion, our results suggest that PF14-Lys is a highly promising delivery vector for various oligonucleotides, applicable both in vitro and in vivo.
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引用次数: 0
Oxaliplatin reversibly and differentially affects electrogenic activity of small IB4(+) of male and female rat sensory neurons
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117849
Eva Villalba-Riquelme , Roberto de la Torre-Martínez , Asia Fernández-Carvajal , Antonio Ferrer-Montiel
Oxaliplatin-induced peripheral neuropathy (OIPN) is a prevalent drug side effect with unclear molecular mechanism and sex differences. We report that a 48-hour exposure of 1 µg·mL−1 oxaliplatin potently and reversibly increased the excitability of IB4(+) male and female nociceptors. In females, oxaliplatin augmented spontaneous and tonic activity, increased the overshoot and amplitude of action potentials, depolarized the membrane potential, reduced the rheobase, and raised the firing frequency, primarily due to the depolarization of KV currents and a mild up-regulation of TTX-resistant (TTX-r) NaV currents. In males, oxaliplatin reduced the rheobase, augmented the firing frequency, and prolonged the action potential peak time, mediated by increased TTX-r NaV currents, hyperpolarization of their activation curve, and a faster recovery from inactivation. Oxaliplatin also up-regulated TRPV1 currents in male and female IB4(+) nociceptors and augmented TRPA1 responses in male IB4(+) neurons. These findings highlight NaV1.8, TRPV1, and TRPA1 as therapeutic targets to mitigate OIPN and validate the use of long-term nociceptor cultures as preclinical models for studying peripheral neuropathies.
{"title":"Oxaliplatin reversibly and differentially affects electrogenic activity of small IB4(+) of male and female rat sensory neurons","authors":"Eva Villalba-Riquelme ,&nbsp;Roberto de la Torre-Martínez ,&nbsp;Asia Fernández-Carvajal ,&nbsp;Antonio Ferrer-Montiel","doi":"10.1016/j.biopha.2025.117849","DOIUrl":"10.1016/j.biopha.2025.117849","url":null,"abstract":"<div><div>Oxaliplatin-induced peripheral neuropathy (OIPN) is a prevalent drug side effect with unclear molecular mechanism and sex differences. We report that a 48-hour exposure of 1 µg·mL<sup>−1</sup> oxaliplatin potently and reversibly increased the excitability of IB4(+) male and female nociceptors. In females, oxaliplatin augmented spontaneous and tonic activity, increased the overshoot and amplitude of action potentials, depolarized the membrane potential, reduced the rheobase, and raised the firing frequency, primarily due to the depolarization of K<sub>V</sub> currents and a mild up-regulation of TTX-resistant (TTX-r) Na<sub>V</sub> currents. In males, oxaliplatin reduced the rheobase, augmented the firing frequency, and prolonged the action potential peak time, mediated by increased TTX-r Na<sub>V</sub> currents, hyperpolarization of their activation curve, and a faster recovery from inactivation. Oxaliplatin also up-regulated TRPV1 currents in male and female IB4(+) nociceptors and augmented TRPA1 responses in male IB4(+) neurons. These findings highlight Na<sub>V</sub>1.8, TRPV1, and TRPA1 as therapeutic targets to mitigate OIPN and validate the use of long-term nociceptor cultures as preclinical models for studying peripheral neuropathies.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117849"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143230265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Isoniazid and nicotinic hydrazide hybrids mitigate trehalose-6,6’-dimycolate-induced inflammatory responses and pulmonary granulomas via Syk/PI3K pathways: A promising host-directed therapy for tuberculosis
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2024.117798
Ha-Yeon Song , Bo-Gyeong Yoo , Yuna Lee , Jae Yoon Lim , Eun Ji Gu , Jongho Jeon , Eui-Baek Byun
Granulomas, dense clusters of immune cells and bacteria, are critical barriers in tuberculosis (TB) treatment. Recent advancements in TB management have highlighted granuloma control as a potential host-directed therapy (HDT) strategy. Although isoniazid (INH) is the first-line drug for TB therapy, its efficacy is limited to non-replicating Mycobacterium tuberculosis (Mtb) under granulomatous conditions, necessitating the development of more effective derivatives. In this study, hybrid compounds of isoniazid, designated as INH-D1 and INH-D2, were synthesized and evaluated for their effects on controlling inflammatory responses and pulmonary granuloma lesions induced by trehalose-6,6′-dimycolate (TDM), a glycolipid of Mtb. Both INH-D1 and INH-D2 demonstrated stronger inhibitory effects on inflammatory mediators (TNF-α, interleukin-6, co-stimulatory molecules, and MHC class I) in TDM-stimulated macrophages compared to original INH. These anti-inflammatory effects were mediated by the inhibition of Syk, p38, PI3K, and NF-κB transcription. INH-D1 and INH-D2 exhibited stronger binding energies to Syk and PI3Kα/β than INH, which are known as proximal kinases and key mediator in TDM-mediated inflammatory responses. Oral administration of INH-D2 successfully relieved TDM-induced pulmonary granuloma pathology by reducing innate immune cell infiltration, hypoxic conditions in the lungs, and systemic inflammation by decreasing serum cytokines and chemokines. In contrast, original INH and INH-D1 did not effectively alleviate pulmonary granuloma pathology. These findings demonstrate that the novel molecule INH-D2 is effective in treating pulmonary granulomas owing to its strong anti-inflammatory effects, highlighting it as a promising HDT candidate for the management of pulmonary tuberculosis, thereby providing a strategic alternative to standard anti-TB antibiotics.
{"title":"Isoniazid and nicotinic hydrazide hybrids mitigate trehalose-6,6’-dimycolate-induced inflammatory responses and pulmonary granulomas via Syk/PI3K pathways: A promising host-directed therapy for tuberculosis","authors":"Ha-Yeon Song ,&nbsp;Bo-Gyeong Yoo ,&nbsp;Yuna Lee ,&nbsp;Jae Yoon Lim ,&nbsp;Eun Ji Gu ,&nbsp;Jongho Jeon ,&nbsp;Eui-Baek Byun","doi":"10.1016/j.biopha.2024.117798","DOIUrl":"10.1016/j.biopha.2024.117798","url":null,"abstract":"<div><div>Granulomas, dense clusters of immune cells and bacteria, are critical barriers in tuberculosis (TB) treatment. Recent advancements in TB management have highlighted granuloma control as a potential host-directed therapy (HDT) strategy. Although isoniazid (INH) is the first-line drug for TB therapy, its efficacy is limited to non-replicating <em>Mycobacterium tuberculosis</em> (Mtb) under granulomatous conditions, necessitating the development of more effective derivatives. In this study, hybrid compounds of isoniazid, designated as INH-D1 and INH-D2, were synthesized and evaluated for their effects on controlling inflammatory responses and pulmonary granuloma lesions induced by trehalose-6,6′-dimycolate (TDM), a glycolipid of Mtb. Both INH-D1 and INH-D2 demonstrated stronger inhibitory effects on inflammatory mediators (TNF-α, interleukin-6, co-stimulatory molecules, and MHC class I) in TDM-stimulated macrophages compared to original INH. These anti-inflammatory effects were mediated by the inhibition of Syk, p38, PI3K, and NF-κB transcription. INH-D1 and INH-D2 exhibited stronger binding energies to Syk and PI3Kα/β than INH, which are known as proximal kinases and key mediator in TDM-mediated inflammatory responses. Oral administration of INH-D2 successfully relieved TDM-induced pulmonary granuloma pathology by reducing innate immune cell infiltration, hypoxic conditions in the lungs, and systemic inflammation by decreasing serum cytokines and chemokines. In contrast, original INH and INH-D1 did not effectively alleviate pulmonary granuloma pathology. These findings demonstrate that the novel molecule INH-D2 is effective in treating pulmonary granulomas owing to its strong anti-inflammatory effects, highlighting it as a promising HDT candidate for the management of pulmonary tuberculosis, thereby providing a strategic alternative to standard anti-TB antibiotics.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117798"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143230635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New insights into gold nanoparticles in virology: A review of their applications in the prevention, detection, and treatment of viral infections 金纳米颗粒在病毒学中的新见解:它们在病毒感染的预防、检测和治疗中的应用综述。
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117844
Hossein Teimouri , Shiva Taheri , Fatemeh Eivazzadeh Saidabad , Gerson Nakazato , Yazdan Maghsoud , Abouzar Babaei
Viral infections have led to the deaths of millions worldwide and come with significant economic and social burdens. Emerging viral infections, as witnessed with coronavirus disease 2019 (COVID-19), can profoundly affect all aspects of human life, highlighting the imperative need to develop diagnostic, therapeutic, and effective control strategies in response. Numerous studies highlight the diverse applications of nanoparticles in diagnosing, controlling, preventing, and treating viral infections. Due to favorable and flexible physicochemical properties, small size, immunogenicity, biocompatibility, high surface-to-volume ratio, and the ability to combine with antiviral agents, gold nanoparticles (AuNPs) have shown great potential in the fight against viruses. The physical and chemical properties, the adjustability of characteristics based on the type of application, the ability to cross the blood-brain barrier, the ability to infiltrate cells such as phagocytic and dendritic cells, and compatibility for complexing with various compounds, among other features, transform AuNPs into a suitable tool for combating and addressing pathogenic viral agents through multiple applications. In recent years, AuNPs have been employed in various applications to fight viral infections. However, a comprehensive review article on the applications of AuNPs against viral infections has yet to be available. Given their versatility, AuNPs present an appealing option to address various gaps in combating viral infections. Hence, this review explores the attributes, antiviral properties, contributions to drug delivery, vaccine development, and diagnostic uses of AuNPs.
病毒感染已导致全世界数百万人死亡,并带来了重大的经济和社会负担。正如2019冠状病毒病(COVID-19)所见证的那样,新出现的病毒感染可深刻影响人类生活的各个方面,因此迫切需要制定诊断、治疗和有效控制战略。许多研究强调了纳米颗粒在诊断、控制、预防和治疗病毒感染方面的不同应用。由于具有良好的物理化学性质和灵活的体积小、免疫原性、生物相容性、高表面体积比以及与抗病毒药物结合的能力,金纳米颗粒在对抗病毒方面显示出巨大的潜力。物理和化学性质,基于应用类型的特性可调节性,穿越血脑屏障的能力,浸润细胞(如吞噬细胞和树突状细胞)的能力,以及与各种化合物络合的兼容性,以及其他特征,将aunp转化为通过多种应用对抗和解决病原病毒制剂的合适工具。近年来,aunp已应用于各种对抗病毒感染的应用中。然而,关于AuNPs在抗病毒感染方面的应用还没有全面的综述文章。鉴于它们的多功能性,aunp提供了一个有吸引力的选择,以解决对抗病毒感染的各种差距。因此,本综述探讨了aunp的属性、抗病毒特性、对药物传递、疫苗开发和诊断用途的贡献。
{"title":"New insights into gold nanoparticles in virology: A review of their applications in the prevention, detection, and treatment of viral infections","authors":"Hossein Teimouri ,&nbsp;Shiva Taheri ,&nbsp;Fatemeh Eivazzadeh Saidabad ,&nbsp;Gerson Nakazato ,&nbsp;Yazdan Maghsoud ,&nbsp;Abouzar Babaei","doi":"10.1016/j.biopha.2025.117844","DOIUrl":"10.1016/j.biopha.2025.117844","url":null,"abstract":"<div><div>Viral infections have led to the deaths of millions worldwide and come with significant economic and social burdens. Emerging viral infections, as witnessed with coronavirus disease 2019 (COVID-19), can profoundly affect all aspects of human life, highlighting the imperative need to develop diagnostic, therapeutic, and effective control strategies in response. Numerous studies highlight the diverse applications of nanoparticles in diagnosing, controlling, preventing, and treating viral infections. Due to favorable and flexible physicochemical properties, small size, immunogenicity, biocompatibility, high surface-to-volume ratio, and the ability to combine with antiviral agents, gold nanoparticles (AuNPs) have shown great potential in the fight against viruses. The physical and chemical properties, the adjustability of characteristics based on the type of application, the ability to cross the blood-brain barrier, the ability to infiltrate cells such as phagocytic and dendritic cells, and compatibility for complexing with various compounds, among other features, transform AuNPs into a suitable tool for combating and addressing pathogenic viral agents through multiple applications. In recent years, AuNPs have been employed in various applications to fight viral infections. However, a comprehensive review article on the applications of AuNPs against viral infections has yet to be available. Given their versatility, AuNPs present an appealing option to address various gaps in combating viral infections. Hence, this review explores the attributes, antiviral properties, contributions to drug delivery, vaccine development, and diagnostic uses of AuNPs.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117844"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanism and therapeutic potential of hippo signaling pathway in type 2 diabetes and its complications
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117817
Ziqi Zhao, Weijie Wu, Qianyi Zhang, Tiancheng Xing, Yiling Bai, Shuoqi Li, Dandan Zhang, Huilian Che, Xiaohui Guo
Loss of pancreatic islet cell mass and function is one of the most important factors in the development of type 2 diabetes mellitus, and hyperglycemia-induced lesions in other organs are also associated with apoptosis or hyperproliferation of the corresponding tissue cells. The Hippo signaling pathway is a key signal in the regulation of cell growth, proliferation and apoptosis, which has been shown to play an important role in the regulation of diabetes mellitus and its complications. Excessive activation of the Hippo signaling pathway under high glucose conditions triggered apoptosis and decreased insulin secretion in pancreatic islet cells, while dysregulation of the Hippo signaling pathway in the cells of other organ tissues led to proliferation or apoptosis and promoted tissue fibrosis, which aggravated the progression of diabetes mellitus and its complications. This article reviews the mechanisms of Hippo signaling, its individual and reciprocal regulation in diabetic pancreatic pathology, and its emerging role in the pathophysiology of diabetic complications. Potential therapeutics for diabetes mellitus that have been shown to target the Hippo signaling pathway are also summarized to provide information for the clinical management of type 2 diabetes mellitus.
{"title":"Mechanism and therapeutic potential of hippo signaling pathway in type 2 diabetes and its complications","authors":"Ziqi Zhao,&nbsp;Weijie Wu,&nbsp;Qianyi Zhang,&nbsp;Tiancheng Xing,&nbsp;Yiling Bai,&nbsp;Shuoqi Li,&nbsp;Dandan Zhang,&nbsp;Huilian Che,&nbsp;Xiaohui Guo","doi":"10.1016/j.biopha.2025.117817","DOIUrl":"10.1016/j.biopha.2025.117817","url":null,"abstract":"<div><div>Loss of pancreatic islet cell mass and function is one of the most important factors in the development of type 2 diabetes mellitus, and hyperglycemia-induced lesions in other organs are also associated with apoptosis or hyperproliferation of the corresponding tissue cells. The Hippo signaling pathway is a key signal in the regulation of cell growth, proliferation and apoptosis, which has been shown to play an important role in the regulation of diabetes mellitus and its complications. Excessive activation of the Hippo signaling pathway under high glucose conditions triggered apoptosis and decreased insulin secretion in pancreatic islet cells, while dysregulation of the Hippo signaling pathway in the cells of other organ tissues led to proliferation or apoptosis and promoted tissue fibrosis, which aggravated the progression of diabetes mellitus and its complications. This article reviews the mechanisms of Hippo signaling, its individual and reciprocal regulation in diabetic pancreatic pathology, and its emerging role in the pathophysiology of diabetic complications. Potential therapeutics for diabetes mellitus that have been shown to target the Hippo signaling pathway are also summarized to provide information for the clinical management of type 2 diabetes mellitus.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117817"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143026108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insights from animal studies exploring the efficacy and safety of topical losartan, in prophylaxis and treatment of corneal scarring fibrosis 探索局部氯沙坦预防和治疗角膜瘢痕性纤维化的有效性和安全性的动物研究的见解。
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117857
Valeria Villabona-Martinez , Barbara Araujo Lima Dutra , Steven E. Wilson
Several studies in rabbits demonstrated the efficacy and safety of topical losartan, an angiotensin II receptor blockers (ARB) that modulates the TGF-β intracellular signaling pathways by inhibiting the activation of Extracellular Signal-regulated Kinase (ERK), in preventing or treating stromal fibrosis after a range of injuries such as Descemetorhexis, alkali burns, incisions, and photorefractive keratectomy (PRK). Several case reports have shown that topical losartan treatment is also efficacious and safe in humans to prevent or treat stromal fibrosis after many different injuries or diseases. Topical losartan penetrates the full thickness of the cornea and, therefore, can treat both anterior and posterior stromal fibrosis. These rabbit studies have demonstrated that there can be epithelial and stromal toxicity to losartan at dosages greater than 0.8 mg/ml and that higher dosages will not accelerate the return to transparency of fibrotic corneas. In corneas with an epithelial defect, it is likely safer to use 0.2 mg/ml losartan six times a day until the epithelium closes to further decrease the risk of epithelial toxicity before going to the 0.8 mg/ml six times a day dosage. Future clinical studies will explore additional questions, such as whether four times a day dosing is less effective than six times a day dosing in the treatment of stromal fibrosis.
几项兔实验证明了局部氯沙坦的有效性和安全性。氯沙坦是一种血管紧张素II受体阻断剂(ARB),通过抑制细胞外信号调节激酶(ERK)的激活来调节TGF-β细胞内信号通路,可预防或治疗一系列损伤后的间质纤维化,如变形、碱烧伤、切口和光屈光性角膜切除术(PRK)。一些病例报告表明,局部氯沙坦治疗对于预防或治疗许多不同损伤或疾病后的间质纤维化也是有效和安全的。局部氯沙坦穿透角膜的全层,因此,可以治疗前和后间质纤维化。这些家兔研究表明,氯沙坦在剂量大于0.8 mg/ml时可能存在上皮和间质毒性,并且更高剂量不会加速纤维化角膜恢复透明。对于有上皮缺损的角膜,每天6次使用0.2 mg/ml氯沙坦可能更安全,直到上皮闭合,以进一步降低上皮毒性的风险,然后再使用0.8 mg/ml每天6次的剂量。未来的临床研究将探索更多的问题,例如在治疗间质纤维化时,每天4次的剂量是否不如每天6次的剂量有效。
{"title":"Insights from animal studies exploring the efficacy and safety of topical losartan, in prophylaxis and treatment of corneal scarring fibrosis","authors":"Valeria Villabona-Martinez ,&nbsp;Barbara Araujo Lima Dutra ,&nbsp;Steven E. Wilson","doi":"10.1016/j.biopha.2025.117857","DOIUrl":"10.1016/j.biopha.2025.117857","url":null,"abstract":"<div><div>Several studies in rabbits demonstrated the efficacy and safety of topical losartan, an angiotensin II receptor blockers (ARB) that modulates the TGF-β intracellular signaling pathways by inhibiting the activation of Extracellular Signal-regulated Kinase (ERK), in preventing or treating stromal fibrosis after a range of injuries such as Descemetorhexis, alkali burns, incisions, and photorefractive keratectomy (PRK). Several case reports have shown that topical losartan treatment is also efficacious and safe in humans to prevent or treat stromal fibrosis after many different injuries or diseases. Topical losartan penetrates the full thickness of the cornea and, therefore, can treat both anterior and posterior stromal fibrosis. These rabbit studies have demonstrated that there can be epithelial and stromal toxicity to losartan at dosages greater than 0.8 mg/ml and that higher dosages will not accelerate the return to transparency of fibrotic corneas. In corneas with an epithelial defect, it is likely safer to use 0.2 mg/ml losartan six times a day until the epithelium closes to further decrease the risk of epithelial toxicity before going to the 0.8 mg/ml six times a day dosage. Future clinical studies will explore additional questions, such as whether four times a day dosing is less effective than six times a day dosing in the treatment of stromal fibrosis.</div></div>","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117857"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143018204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phosphodiesterase 4D inhibition improves the functional and molecular outcome in a mouse and human model of Charcot Marie Tooth disease 1 A 磷酸二酯酶4D抑制改善小鼠和人沙科玛丽氏病模型1 a的功能和分子结局。
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2025.117828
Melissa Schepers , Tim Vangansewinkel , Karen Libberecht , Hanne Jeurissen , Darren Jacobs , Elisabeth Piccart , Robert Prior , Roberta Ricciarelli , Chiara Brullo , Ernesto Fedele , Olga Bruno , Jos Prickaerts , Ivo Lambrichts , Ludo Van Den Bosch , Tim Vanmierlo , Esther Wolfs
Charcot-Marie-Tooth disease type 1A (CMT1A) is an inherited peripheral neuropathy caused by a duplication of the peripheral myelin protein 22 (PMP22) gene. It is primarily marked by Schwann cell dedifferentiation and demyelination, leading to motor and sensory deficits. Cyclic adenosine monophosphate (cAMP) is crucial for Schwann cell differentiation and maturation. Therefore, increasing cAMP by inhibiting its degraders, phosphodiesterases (PDE), is a potential therapeutic strategy for CMT1A. This study investigated the therapeutic potential of the specific PDE4D inhibitor Gebr32a using the C3-PMP22 mouse model for CMT1A and patient-induced Pluripotent Stem Cell (iPSC)-derived Schwann cells. C3-PMP22 mice, injected subcutaneously with Gebr32a twice a day for 10 weeks, showed significantly increased nerve conduction in sciatic nerves compared to vehicle-injected controls, indicating improved myelination. Additionally, Gebr32a-treated C3-PMP22 mice exhibited improved sensorimotor functions. Grip strength analysis revealed significantly increased strength in all limbs of Gebr32a-treated C3-PMP22 mice. Post-mortem histological and ultrastructural analysis confirmed enhanced myelination in the sciatic nerve of treated mice compared to controls. In primary mouse CMT1A Schwann cells, Gebr32a dose-dependently increased the expression of pro-myelinating genes such as oct6, Krox20, Mbp, Mpz, and Plp, while downregulating the dedifferentiation marker c-Jun and human PMP22. Similar effects on gene expression were observed in iPSC-derived Schwann cells from a CMT1A patient, highlighting the clinical relevance of our findings. In conclusion, inhibition of PDE4D with Gebr32a improves the functional and molecular outcomes in mouse and human models of CMT1A, highlighting its potential as a new therapeutic strategy for CMT1A disease management.
Charcot-Marie-Tooth病1A型(CMT1A)是一种由外周髓鞘蛋白22 (PMP22)基因复制引起的遗传性外周神经病变。它的主要特征是雪旺细胞去分化和脱髓鞘,导致运动和感觉缺陷。环腺苷一磷酸(cAMP)对雪旺细胞的分化和成熟至关重要。因此,通过抑制其降解物磷酸二酯酶(PDE)来增加cAMP是一种潜在的治疗CMT1A的策略。本研究利用C3-PMP22小鼠模型研究了特异性PDE4D抑制剂Gebr32a对CMT1A和患者诱导的多能干细胞(iPSC)衍生的雪旺细胞的治疗潜力。每天皮下注射两次Gebr32a,连续10周,C3-PMP22小鼠的坐骨神经传导明显增加,表明髓鞘形成改善。此外,gebr32a处理的C3-PMP22小鼠表现出改善的感觉运动功能。握力分析显示,gebr32a处理的C3-PMP22小鼠四肢的握力均显著增加。死后组织学和超微结构分析证实,与对照组相比,治疗小鼠坐骨神经髓鞘形成增强。在原代小鼠CMT1A雪旺细胞中,Gebr32a剂量依赖性地增加了促髓鞘基因如oct6、Krox20、Mbp、Mpz和Plp的表达,同时下调了去分化标志物c-Jun和人PMP22的表达。在来自CMT1A患者的ipsc衍生的雪旺细胞中观察到类似的基因表达影响,突出了我们研究结果的临床相关性。总之,用Gebr32a抑制PDE4D可以改善小鼠和人类CMT1A模型的功能和分子结果,突出了其作为CMT1A疾病管理新治疗策略的潜力。
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引用次数: 0
Retraction notice to “miR-382 inhibits tumor progression by targeting SETD8 in non-small cell lung cancer”[Biomed. Pharmacother. 86 (2017) 248–253]
IF 6.9 2区 医学 Q1 MEDICINE, RESEARCH & EXPERIMENTAL Pub Date : 2025-02-01 DOI: 10.1016/j.biopha.2024.117776
Tianjun Chen, Hui Ren, Asmitanand Thakur, Tian Yang, Yang Li, Shuo Zhang, Ting Wang, Mingwei Chen
{"title":"Retraction notice to “miR-382 inhibits tumor progression by targeting SETD8 in non-small cell lung cancer”[Biomed. Pharmacother. 86 (2017) 248–253]","authors":"Tianjun Chen,&nbsp;Hui Ren,&nbsp;Asmitanand Thakur,&nbsp;Tian Yang,&nbsp;Yang Li,&nbsp;Shuo Zhang,&nbsp;Ting Wang,&nbsp;Mingwei Chen","doi":"10.1016/j.biopha.2024.117776","DOIUrl":"10.1016/j.biopha.2024.117776","url":null,"abstract":"","PeriodicalId":8966,"journal":{"name":"Biomedicine & Pharmacotherapy","volume":"183 ","pages":"Article 117776"},"PeriodicalIF":6.9,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143043942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Biomedicine & Pharmacotherapy
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