Article
Biochemistry & Molecular Biology
Giorgia Napoletani, Virginia Protto, Maria Elena Marcocci, Lucia Nencioni, Anna Teresa Palamara, Giovanna De Chiara
Summary: This study investigated the impact of recurrent HSV-1 infection on neuronal aging, revealing a significant increase in H4K16ac, Sin3, and HDAC1 levels, which are related to aging markers. There was a significant decrease in H3K56ac specifically linked to viral reactivation, and a complex modulation of HIRA expression and localization in HSV-1 infected mouse brains, suggesting a specific role of this protein in viral latency and reactivation.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Neurosciences
Francisca Acuna-Hinrichsen, Adriana Covarrubias-Pinto, Yuta Ishizuka, Maria Francisca Stolzenbach, Carolina Martin, Paula Salazar, Maite A. Castro, Clive R. Bramham, Carola Otth
Summary: HSV-1 infection may induce structural disassembly and functional deregulation in early stages, leading to altered glutamate response, increased accumulation of Arc protein within somata, and decreased expression of dendritic spine scaffolding proteins.
FRONTIERS IN CELLULAR NEUROSCIENCE
(2021)
Article
Microbiology
Jie Wang, Kun-Te Shang, Qiong-Hong Ma, Zhao-Ying Dong, Yi-Hong Chen, Yu-Feng Yao
Summary: This study aimed to determine whether HSV-1 can be transmitted through TNTs and to investigate the effect of inhibiting the Arp2/3 complex on the intercellular transmission of HSV-1. The results showed that HSV-1 can be transmitted through TNTs and that inhibiting the Arp2/3 complex reduces the number of TNTs and the spread of HSV-1. This finding provides new insights into the transmission mode of HSV-1 and suggests a potential new antiviral target.
Article
Immunology
Mette Ratzer Freytag, Sofie Eg Jorgensen, Michelle Molgaard Thomsen, Ali Al-Mousawi, Alon Schneider Hait, David Olagnier, Jakob T. Bay, Marie Helleberg, Trine H. Mogensen
Summary: This study describes a 19-year-old woman with systemic HSV-1 infection and HLH, as well as a fatal course of neonatal herpesvirus infection postpartum. Investigation showed impaired antiviral responses in the mother's cells, potentially caused by variants in CASP8 or other noncoding regions of the genome.
JOURNAL OF INFECTIOUS DISEASES
(2022)
Article
Microbiology
Ye Liu, Qiao You, Fang Zhang, Deyan Chen, Zhenping Huang, Zhiwei Wu
Summary: Harringtonine (HT) significantly inhibited HSV-1 infection and two ACV-resistant strains by mainly targeting HVEM and reducing the early stage of HSV-1 infection. The study demonstrated that HT could be a promising therapeutic candidate for mitigating HSV-1-induced pathogenesis.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Microbiology
Dor Rafael, Enosh Tomer, Oren Kobiler
Summary: Latent infection is a characteristic feature of herpesviruses, where the number of latent viral genomes reactivating per cell is limited and typically only one genome reactivates in each cell.
MICROBIOLOGY SPECTRUM
(2022)
Article
Biochemistry & Molecular Biology
Pu Huang, Xu Wang, Mengyue Lei, Ying Ma, Hongli Chen, Jing Sun, Yunzhang Hu, Jiandong Shi
Summary: This study investigates the metabolic interaction between host cells and HSV-1. By analyzing the metabolic profiles in HSV-1-infected lung fibroblasts, the researchers found that HSV-1 induces metabolic reprogramming in host cells to promote or resist viral replication. They confirmed that the addition of the tryptophan metabolite kynurenine promotes viral replication, while the addition of 25-Hydroxycholesterol inhibits replication. Additionally, HSV-1 replication was enhanced in choline metabolic rate-limiting enzyme-deficient mouse macrophages.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Multidisciplinary Sciences
Elizabeth B. Draganova, Ekaterina E. Heldwein
Summary: Herpesviruses infect a majority of the human population, establishing lifelong latent infections with no cure, and periodic viral reactivation spreads infection while causing disease states that are particularly harmful in the immunocompromised. The viral replication and spread of infection rely on the nuclear egress complex (NEC), which helps translocate viral capsids and mature them into infectious virions. Peptides derived from the UL25 capsid protein have been shown to inhibit the membrane-budding activity of the NEC, providing a potential new avenue for developing inhibitors against herpesvirus replication.
SCIENTIFIC REPORTS
(2021)
Article
Chemistry, Multidisciplinary
Jing-yu Weng, Xin-xing Chen, Xiao-hua Wang, Hui-er Ye, Yan-ping Wu, Wan-yang Sun, Lei Liang, Wen-jun Duan, Hiroshi Kurihara, Feng Huang, Xin-xin Sun, Shu-hua Ou-Yang, Rong-rong He, Yi-fang Li
Summary: Psychological stress increases susceptibility to HSV-1 infection, and the underlying molecular mechanisms are unknown. This study explored the antiviral effect of rosmarinic acid (RA) and demonstrated that RA could decrease stress-augmented mortality and reduce symptoms in HSV-1-infected mice. In vitro, RA increased cell viability and inhibited stress-induced elevation of viral proteins and genes. The study revealed the critical role of lipid peroxidation in stress-induced HSV-1 susceptibility and suggested the potential of RA as an effective intervention in anti-HSV-1 therapy.
ACTA PHARMACOLOGICA SINICA
(2023)
Review
Biochemistry & Molecular Biology
Ines Ripa, Sabina Andreu, Jose Antonio Lopez-Guerrero, Raquel Bello-Morales
Summary: The article discusses the role of the HSV-1 viral protein ICP34.5 in controlling cellular antiviral responses and debates its controversial functions such as autophagy inhibition.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Microbiology
Mehdi Gholami Barzoki, Somayeh Shatizadeh Malekshahi, Mohammad Shayestehpour
Summary: This study investigated the potential antiviral activity of Shouchella clausii probiotic strain and bacterial supernatant against HSV-1 for the first time. The results showed that S. clausii and its supernatant had the greatest inhibitory activity toward HSV-1 in the pre-treatment assay, indicating their potential as a novel inhibitor for HSV-1 infection.
ARCHIVES OF MICROBIOLOGY
(2022)
Review
Virology
Nithya Jambunathan, Carolyn M. Clark, Farhana Musarrat, Vladimir N. Chouljenko, Jared Rudd, Konstantin G. Kousoulas
Summary: HSV-1 and HSV-2 are prototypical alphaherpesviruses that infect neurons and establish lifelong latent infections. They cause orofacial and ocular infections, genital and neonatal infections respectively. The viral glycoproteins bind to cellular receptors to enter cells and mediate cell-to-cell fusion for virus spread. The complex of viral glycoproteins and cellular receptors play a critical role in virus entry and spread.
Article
Neurosciences
Domenica Donatella Li Puma, Maria Elena Marcocci, Giacomo Lazzarino, Giovanna De Chiara, Barbara Tavazzi, Anna Teresa Palamara, Roberto Piacentini, Claudio Grassi
Summary: Astrocytes release extracellular ATP upon HSV-1 infection, activating P2 receptors on neurons and astrocytes through a GSK-3-dependent pathway, facilitating viral entry and replication. Inhibition of astrocyte metabolism or blockade of P2 receptors or GSK-3 activation can reduce HSV-1 infection in both neurons and astrocytes, highlighting the critical role of astrocytes in regulating neuronal response to microbial stimuli.
Article
Microbiology
Kevin Danastas, Gerry Guo, Jessica Merjane, Nathan Hong, Ava Larsen, Monica Miranda-Saksena, Anthony L. Cunningham
Summary: This study explores the effects of interferons (IFNs) on herpes simplex virus-1 (HSV-1) and reveals that IFNs have the potential to block virus release from nerve endings, thereby preventing transmission into the skin. The study also highlights the potential wider antiviral effects of IFN-γ in neurons, suggesting its role in HSV-1 reactivation. These findings identify new targets for the development of immunotherapies to impede HSV-1 spread from nerves to the skin.
Review
Biochemistry & Molecular Biology
Matylda Barbara Mielcarska, Katarzyna Skowronska, Zbigniew Wyzewski, Felix Ngosa Toka
Summary: Current data strongly indicate that herpes simplex virus type 1 (HSV-1) infection is a contributing factor to Alzheimer's disease (AD). HSV-1 infection causes damage to neurons and glial cells, as well as modifications in their environment, leading to impaired signal transmission and homeostatic and immune functions. This review discusses the pathological alterations in central nervous system (CNS) cells following HSV-1 infection, including inflammatory responses, oxidative damage, and cellular dysfunctions associated with AD development.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Review
Nutrition & Dietetics
Annemarie J. F. Westheim, Lara M. Stoffels, Ludwig J. Dubois, Jeroen van Bergenhenegouwen, Ardy van Helvoort, Ramon C. J. Langen, Ronit Shiri-Sverdlov, Jan Theys
Summary: Nutritional status, especially the intake of fatty acids, plays a crucial role in the outcome of immunotherapy. Short-chain fatty acids and polyunsaturated fatty acids have significant effects on the immune system and immunogenicity of tumor cells, enhancing the efficacy of immunotherapy. Therefore, nutritional interventions focusing on these fatty acids have great potential to boost the therapeutic potential of immunotherapeutic approaches for cancer.
FRONTIERS IN NUTRITION
(2022)
Article
Pharmacology & Pharmacy
Rahul K. Suryawanshi, Chandrashekhar D. Patil, David Wu, Pritam Kumar Panda, Sudhanshu Kumar Singh, Ipsita Volety, Rajeev Ahuja, Yogendra Kumar Mishra, Deepak Shukla
Summary: In this study, a small molecule called BX795 was discovered as a potential antiviral drug that can directly interact with the host factor protein kinase C (PKC) to reduce viral replication. This finding sheds light on a previously unknown mechanism by which BX795 exerts its antiviral potential.
ANTIVIRAL RESEARCH
(2022)
Review
Virology
Pankaj Sharma, Divya Kapoor, Deepak Shukla
Summary: This article discusses the role of HPSE and SDC-1 as newly identified host factors that facilitate HSV-1 release during infection.
Article
Microbiology
Chandrashekhar D. Patil, Rahul K. Suryawanshi, Divya Kapoor, Deepak Shukla
Summary: HSV-1 infection induces significant alterations in host metabolism, limiting the energy and macromolecular precursors required for viral replication. This study is of great importance for understanding the pathogenesis of HSV-1 infection.
Review
Biochemistry & Molecular Biology
Hester van Mourik, Mengying Li, Sabine Baumgartner, Jan Theys, Ronit Shiri-Sverdlov
Summary: Cathepsins are lysosomal proteases that play an essential role in maintaining cellular homeostasis and are involved in various physiological processes. They have been linked to pathologies such as NASH and HCC. Although the information regarding their involvement in NASH-HCC is limited, there is accumulating evidence supporting their role in both NASH and HCC. Given their role in both conditions, it is likely that Cathepsins play a more significant role in the transition from NASH to HCC, compared to HCC derived from other causes. This review provides an overview of the available data on Cathepsins in NASH and HCC, and highlights therapeutic options in this context.
Review
Biochemistry & Molecular Biology
James Elste, Angelica Chan, Chandrashekhar Patil, Vinisha Tripathi, Daniel M. Shadrack, Dinesh Jaishankar, Andrew Hawkey, Michelle Swanson Mungerson, Deepak Shukla, Vaibhav Tiwari
Summary: The structural diversity of heparan sulfate (HS) in various vertebrates and invertebrates is remarkably preserved and plays a key role in ligand binding and virus entry. The interaction between glycoprotein D (gD) from herpes simplex virus (HSV) and 3-O sulfated HS leads to virus-cell fusion and HSV entry. HSV-1, which infects a large number of people worldwide, can also cause severe diseases in both primates and non-primates. The enzymatic modification of HS by 3-O sulfotransferase-3 (3-OST-3) enhances HSV-1 infectivity and suggests a possible role of HS in cross-species transmission.
COMPUTATIONAL AND STRUCTURAL BIOTECHNOLOGY JOURNAL
(2023)
Review
Microbiology
Divya Kapoor, Deepak Shukla
Summary: Neutrophil extracellular traps (NETs) are net-like structures released from neutrophils mainly containing cell-free DNA decorated with histones and neutrophil granule proteins. NETs can be induced by various stimuli such as pathogens, cytokines, and immune complexes. They have both beneficial and detrimental effects in capturing pathogens and aggravating inflammation. This review focuses on the formation mechanism of NETs in different ocular pathologies, particularly highlighting their potential implications during herpes simplex virus (HSV) ocular infections and as prospective targets for ocular disease treatment.
Review
Biochemistry & Molecular Biology
Annemarie J. F. Westheim, Lara M. Stoffels, Ludwig J. Dubois, Jeroen van Bergenhenegouwen, Ardy van Helvoort, Ramon C. J. Langen, Ronit Shiri-Sverdlov, Jan Theys
Summary: Cancer burden is increasing rapidly globally, with lifestyle factors such as unhealthy diet being major contributors. The specific fatty acids that contribute to a healthy and balanced diet in terms of cancer risk and prognosis are still unclear. This review explores the associations between intake of different fatty acids and cancer risk, as well as the effects of specific fatty acids on tumor cells and inflammation-induced cancer progression, highlighting challenges and opportunities for fatty acid tailored nutritional interventions.
Article
Multidisciplinary Sciences
Rahul K. Suryawanshi, Chandrashekhar D. Patil, Alex Agelidis, Raghuram Koganti, Tejabhiram Yadavalli, Joshua M. Ames, Hemant Borase, Deepak Shukla
Summary: This study found that compared to animals lacking HPSE, wild-type mice exhibit notable pathophysiology during HSV-1 reinfection. HPSE promotes infected cell survival and supports the formation of a pro-disease environment. In contrast, lack of HPSE enhances intrinsic immunity by promoting cytokine expression, inducing necroptosis of infected cells, and decreasing leukocyte infiltration into the cornea. Overall, recent prior infection immunity fails to abolish disease manifestation during HSV-1 reinfection unless HPSE is rendered inactive.
Article
Medicine, Research & Experimental
Tejabhiram Yadavalli, Sudhanshu Kumar Singh, Abhijit A. Date, Deepak Shukla
Summary: This study evaluated the acute and short-term toxicity of orally administered BX795 in mice, as well as its pharmacokinetics and tissue distribution. The results showed that orally administered BX795 was well tolerated, had an oral bioavailability of 56%, and reached ocular and genital tissues within the first 15 min of dosing. The study indicated that orally administered BX795 can significantly reduce herpesvirus replication in ocular and genital tissue.
BIOMEDICINE & PHARMACOTHERAPY
(2023)
Review
Virology
Hemant Borase, Deepak Shukla
Summary: This review summarizes the pathogenesis of HSV-2 and its cellular interactions, explores new strategies and challenges in regulating HSV-2 replication and influencing the cell cycle through host cellular components, and presents a fresh perspective on the treatment of HSV-2 by targeting cellular proteins and pathways.
Article
Microbiology
Ilina Bhattacharya, Ipsita Volety, Deepak Shukla
Summary: Tank-binding kinase 1 (TBK1) plays a crucial role in defending against herpes simplex virus type 1 (HSV-1), and the interplay between OPTN, TBK1, and autophagy significantly impacts the outcome of HSV-1 infection.
