Review
Endocrinology & Metabolism
Huimei Wei, Peng Huo, Shun Liu, Hua Huang, Shun Zhang
Summary: PCOS is a lifelong disorder affecting a significant number of women and associated with increased risk of various diseases. Posttranslational modifications play a crucial role in PCOS development, and understanding their roles and mechanisms can provide insights for future research and treatment.
FRONTIERS IN ENDOCRINOLOGY
(2022)
Article
Microbiology
Gilberto Betancor, Madeleine Bangham, Jun Ki Jeon, Kanisha Shah, Steven Lynham, Jose M. Jimenez-Guardeno, Michael H. Malim
Summary: Phosphorylation of MX2 plays a crucial role in regulating its antiviral activity and determining susceptible viral substrates.
Article
Multidisciplinary Sciences
Satoshi Kidokoro, Izumi Konoura, Fumiyuki Soma, Kazuo Shinozaki, Takamasa Suzuki, Masaru Tanokura, Takuya Miyakawa, Takato Imaizumi, Kazuko Yamaguchi-Shinozaki
Summary: Plants respond to severe temperature changes by inducing the expression of numerous genes whose products enhance stress tolerance and responses. DREB1 genes are rapidly and strongly induced by cold stress and their molecular mechanisms are vital for recognizing the initial responses to cold stress in plants.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2023)
Article
Chemistry, Multidisciplinary
Yei-Jin Kang, Dae-Won Kim, Xiangguo Che, Je-Yong Choi, Seong-Gon Kim
Summary: This study demonstrates that 4HR has the potential to restore the loss of function in mutant p53 cancer cells through acetylation and phosphorylation of p53 and inhibition of HDAC4.
APPLIED SCIENCES-BASEL
(2022)
Article
Virology
Yuya Wang, Wenjia Zou, Yan Niu, Sanyuan Wang, Bangtao Chen, Rui Xiong, Peng Zhang, Zhijun Luo, Yong Wu, Changfa Fan, Zhaohua Zhong, Ping Xu, Yihong Peng
Summary: Phosphorylation of Ser/Thr125 enhances the proteolytic activity of enteroviral 2A(pro), promoting viral replication and pathogenicity. This discovery provides a new strategy for developing attenuated enterovirus vaccines.
JOURNAL OF MEDICAL VIROLOGY
(2023)
Review
Biochemistry & Molecular Biology
Ramesh Kumar, Divya Mehta, Nimisha Mishra, Debasis Nayak, Sujatha Sunil
Summary: Viruses depend on host cells for replication and survival, utilizing post-translational modifications (PTMs) to control viral replication. Host proteins use PTMs to inhibit viral protein synthesis, eliminate viruses, while PTMs of viral proteins can increase their solubility and virulence.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemical Research Methods
Cheng Cheng, Tian He, Kai Chen, Yuanxia Cai, Yaoyao Gu, Lijia Pan, Peiwen Duan, Yeming Wu, Zhixiang Wu
Summary: This study aimed to explore novel ways to indirectly target N-Myc by regulating its post-translational modifications (PTMs) and therefore protein stability. The researchers discovered that p300 can modulate the protein stability of N-Myc and is correlated with poor prognosis in NB patients.
MOLECULAR & CELLULAR PROTEOMICS
(2023)
Article
Multidisciplinary Sciences
Terri L. Messier, Joseph R. Boyd, Jonathan A. R. Gordon, Coralee E. Tye, Natalie A. Page, Rabail H. Toor, Sayyed K. Zaidi, Barry S. Komm, Seth Frietze, Janet L. Stein, Jane B. Lian, Gary S. Stein
Summary: Selective estrogen receptor modulators (SERMs), including bazedoxifene (BZA), are used to treat postmenopausal osteoporosis and may reduce breast cancer risk. The combination of BZA with estrogen compounds reduces estrogen-mediated patterns of histone modifications and gene expression in MCF-7 cells. BZA-induced changes in histone modifications in MCF7 cells are characterized by altered H3K4ac patterns, with changes at distal enhancers of ER alpha-target genes and at promoters of non-ER alpha bound proliferation-related genes.
Article
Virology
Xiaohui Zhao, Huijun Yuan, Hang Yang, Yan Liu, Meng Xun, Xiaozhen Li, Tingting Fan, Bo Wu, Shangrui Guo, Hongliang Wang
Summary: EV71 is a common pathogen causing hand, foot, and mouth disease in young children, and it is associated with severe neurological complications. This study found that the ER-resident acetyltransferase NAT8 is a host factor for EV71 infection and promotes viral replication by interacting with viral proteins.
JOURNAL OF VIROLOGY
(2022)
Article
Biochemistry & Molecular Biology
Stephanie Portillo-Ledesma, Lucille H. Tsao, Meghna Wagley, Melike Lakadamyali, Maria Pia Cosma, Tamar Schlick
Summary: The study found that chromatin parameters work together to produce nucleosome clutches of different sizes, with the length of nucleosome free regions impacting clutch size and the length of linker DNA having a moderate effect. Higher linker histone densities produce larger clutches through a chromatin compaction mechanism, while higher acetylation levels produce smaller clutches through a chromatin unfolding mechanism.
JOURNAL OF MOLECULAR BIOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Anthony Ariza, Yasuhiro Funahashi, Sachi Kozawa, Md Omar Faruk, Taku Nagai, Mutsuki Amano, Kozo Kaibuchi
Summary: This study identified approximately 40 novel candidate proteins in the striatum of the C57BL/6 mouse brain after cocaine administration, with a focus on the protein MKL2. The results demonstrate that dopamine signaling regulates the interaction of MKL2 with CBP in a phosphorylation-dependent manner, thereby controlling SRF-dependent gene expression.
JOURNAL OF NEUROCHEMISTRY
(2021)
Article
Endocrinology & Metabolism
Fabiola Garcia Cortizo, Daniel Pfaff, Angela Wirth, Andrea Schlotterer, Rebekka Medert, Jakob Morgenstern, Tobias Weber, Hans-Peter Hammes, Thomas Fleming, Peter Paul Nawroth, Marc Freichel, Aurelio A. Teleman
Summary: The study demonstrates that post-translational modifications, specifically the phosphorylation of Glo1 at Tyrosine 136, can enhance Glo1 activity for detoxifying MG. However, high glucose levels lead to decreased Glo1 activity, resulting in elevated MG levels and potentially initiating a detrimental positive feedback loop contributing to diabetic complications.
MOLECULAR METABOLISM
(2022)
Article
Biochemistry & Molecular Biology
Hye-Youn Cho, Anne E. Jedlicka, Frederick H. Chang, Jacqui Marzec, Alison K. Bauer, Steven R. Kleeberger
Summary: This study identified the time-dependent and TNFR- and NF-kappa B-regulated lung transcriptome changes in response to subacute Ozone exposure. The results provided new insights into the molecular mechanisms regulated by TNFR and NF-kappa B1 in pulmonary subacute O-3 pathogenesis, highlighting the impact on inflammation, redox, cell cycle, and DNA repair processes in the lungs.
Article
Cardiac & Cardiovascular Systems
Christian U. Oeing, Seungho Jun, Sumita Mishra, Brittany L. Dunkerly-Eyring, Anna Chen, Maria Grajeda, Usman A. Tahir, Robert E. Gerszten, Nazareno Paolocci, Mark J. Ranek, David A. Kass
Summary: The phosphorylation status of TSC2-S1365 plays a crucial role in regulating myocardial substrate utilization, activating mTORC1 to shift metabolism away from fatty acid oxidation towards glycolysis for protection against ischemia-reperfusion injury. Reduced phosphorylation of TSC2-S1365 is also required for effective ischemic preconditioning (IPC) process.
CIRCULATION RESEARCH
(2021)
Article
Cell Biology
Pengyi Yan, Zixuan Li, Junhao Xiong, Zilong Geng, Weiting Wei, Yan Zhang, Gengze Wu, Tao Zhuang, Xiaoyu Tian, Zhijie Liu, Junling Liu, Kun Sun, Fengyuan Chen, Yuzhen Zhang, Chunyu Zeng, Yu Huang, Bing Zhang
Summary: In this study, LARP7 is identified as an aging antagonist, and the ATM-LARP7-SIRT1-p53/p65 pathway plays a crucial role in DNA damage response-mediated cellular senescence and atherosclerosis.
Article
Immunology
Manoj Veleeparambil, Darshana Poddar, Samar Abdulkhalek, Patricia M. Kessler, Michifumi Yamashita, Saurabh Chattopadhyay, Ganes C. Sen
JOURNAL OF IMMUNOLOGY
(2018)
Article
Gastroenterology & Hepatology
Carlos Sanz-Garcia, Kyle L. Poulsen, Damien Bellos, Han Wang, Megan R. McMullen, Xiaoxia Li, Saurabh Chattopadhyay, Ganes Sen, Laura E. Nagy
JOURNAL OF HEPATOLOGY
(2019)
Review
Oncology
Reena Goswami, Gayatri Subramanian, Liliya Silayeva, Isabelle Newkirk, Deborah Doctor, Karan Chawla, Saurabh Chattopadhyay, Dhyan Chandra, Nageswararao Chilukuri, Venkaiah Betapudi
FRONTIERS IN ONCOLOGY
(2019)
Article
Biochemistry & Molecular Biology
Gayatri Subramanian, Sonam Popli, Sukanya Chakravarty, R. Travis Taylor, Ritu Chakravarti, Saurabh Chattopadhyay
JOURNAL OF BIOLOGICAL CHEMISTRY
(2020)
Article
Virology
Anna Glanz, Karan Chawla, Stephanie Fabry, Gayatri Subramanian, Julie Garcia, Bryanna Jay, Jacob Ciricillo, Ritu Chakravarti, R. Travis Taylor, Saurabh Chattopadhyay
Article
Biochemistry & Molecular Biology
Chenyao Wang, Xin Wang, Manoj Veleeparambil, Patricia M. Kessler, Belinda Willard, Saurabh Chattopadhyay, Ganes C. Sen
Review
Virology
Anna Glanz, Sukanya Chakravarty, Merina Varghese, Anita Kottapalli, Shumin Fan, Ritu Chakravarti, Saurabh Chattopadhyay
Summary: IRF3 plays a critical role in antiviral immunity by transcribing interferon and triggering apoptosis of virus-infected cells. Viruses can counteract IRF3 functions by manipulating posttranslational modifications.
Article
Biochemistry & Molecular Biology
Anna Glanz, Sukanya Chakravarty, Shumin Fan, Karan Chawla, Gayatri Subramanian, Tia Rahman, Dean Walters, Ritu Chakravarti, Saurabh Chattopadhyay
Summary: IRF3 is a transcription factor critical for antiviral gene induction and proapoptotic signaling. Auranofin was identified as a small-molecule inhibitor of IRF3's proapoptotic and transcriptional activities, inducing cellular autophagy to degrade IRF3 protein and suppress its functions. Auranofin effectively inhibited fatty-acid-induced apoptotic cell death in hepatocytes and may offer a potential therapeutic option in diseases where IRF3 is harmful.
JOURNAL OF BIOLOGICAL CHEMISTRY
(2021)
Article
Microbiology
Chenyao Wang, Nikhil Sharma, Manoj Veleeparambil, Patricia M. Kessler, Belinda Willard, Ganes C. Sen
Summary: The nature and intensity of the innate immune response to virus infection are critical for the course of pathogenesis in the host. STING, an endoplasmic reticulum-associated protein, plays a key role in triggering responses to microbial or cellular cytoplasmic DNA. Phosphorylation of Tyr240 of STING by the tyrosine kinase Syk is essential for all signaling activities of STING, and its signaling is necessary for interferon induction.
Article
Virology
Jenna McGowan, Monica Borucki, Hicham Omairi, Merina Varghese, Shahnaz Vellani, Sukanya Chakravarty, Shumin Fan, Srestha Chattopadhyay, Mashuk Siddiquee, James B. Thissen, Nisha Mulakken, Joseph Moon, Jeffrey Kimbrel, Amit K. Tiwari, Roger Travis Taylor, Dae-Wook Kang, Crystal Jaing, Ritu Chakravarti, Saurabh Chattopadhyay
Summary: Wastewater-based epidemiology (WBE) is an effective tool for predicting the community spread of infectious diseases, especially during the COVID-19 pandemic. Through analyzing the correlation between viral gene copies and clinical cases, as well as sequencing RNA from wastewater to identify viral mutants, WBE can be used to predict the spread of COVID-19 and the emergence of new variants of concern. Furthermore, significant changes in the microbial community of wastewater, particularly in bacterial genera belonging to the families of Lachnospiraceae and Actinomycetaceae, show a strong correlation with the presence of SARS-CoV-2. These microbial biomarkers could serve as prediction tools for future infectious disease surveillance and outbreak responses.
Review
Virology
Justin H. H. Franco, Saurabh Chattopadhyay, Zhixing K. K. Pan
Summary: The type-I interferon (IFN) system is the first line of defense against viral pathogens. Secreted IFNs stimulate nearby cells to produce proinflammatory cytokines and antiviral factors. IFIT proteins, known for their antiviral activity, have also been studied in nonviral pathologies.
Editorial Material
Virology
Sukanya Chakravarty, Ritu Chakravarti, Saurabh Chattopadhyay
Summary: Inflammatory responses during virus infection have different effects on the host, and managing these responses is crucial for controlling viral infection and related diseases. A recently discovered cellular anti-inflammatory mechanism called RIKA (Repression of IRF3-mediated inhibition of NF-kappa B activity) has been found to regulate viral inflammation and pathogenesis. The RIKA function of IRF3 may have potential applications in other inflammatory diseases beyond viral infection.
Article
Biochemistry & Molecular Biology
Michael G. McCoy, Daniel W. Nascimento, Manoj Veleeparambil, Rakhylia Murtazina, Detao Gao, Svyatoslav Tkachenko, Eugene Podrez, Tatiana Byzova
Summary: TLR2 plays a crucial role in endothelial cells, promoting inflammatory responses, tumor growth, and angiogenesis. Studies have shown that endothelial cells lacking TLR2 have reduced anti-inflammatory capabilities, potentially contributing to disease progression.
Article
Biochemistry & Molecular Biology
Chenyao Wang, Xin Wane, Manoj Veleeparambil, Patricia M. Kessler, Belinda Willard, Saurabh Chattopadhyay, Ganes C. Sen
Article
Multidisciplinary Sciences
Brian H. Youseff, Thomas G. Brewer, Kristin L. McNally, Adaeze O. Izuogu, Kirk J. Lubick, John B. Presloid, Saad Alqahtani, Saurabh Chattopadhyay, Sonja M. Best, Xiche Hu, R. Travis Taylor