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Zhu K, Liu Y, Dai R, Wang X, Li J, Lin Z, Du L, Guo J, Ju Y, Zhu W, Wang L, Cao CM. p85α deficiency alleviates ischemia-reperfusion injury by promoting cardiomyocyte survival. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167318. [PMID: 38909849 DOI: 10.1016/j.bbadis.2024.167318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 05/28/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
Myocardial ischemia-reperfusion (I/R) injury is a prevalent cause of myocardial injury, involving a series of interconnected pathophysiological processes. However, there is currently no clinical therapy for effectively mitigating myocardial I/R injury. Here, we show that p85α protein levels increase in response to I/R injury through a comprehensive analysis of cardiac proteomics, and confirm this in the I/R-injured murine heart and failing human myocardium. Genetic inhibition of p85α in mice activates the Akt-GSK3β/Bcl-x(L) signaling pathway and ameliorates I/R-induced cardiac dysfunction, apoptosis, inflammation, and mitochondrial dysfunction. p85α silencing in cardiomyocytes alleviates hypoxia-reoxygenation (H/R) injury through activating the Akt-GSK3β/Bcl-x(L) signaling pathway, while its overexpression exacerbates the damage. Mechanistically, the interaction between MG53 and p85α triggers the ubiquitination and degradation of p85α, consequently enhancing Akt phosphorylation and ultimately having cardioprotective effects. Collectively, our findings reveal that substantial reduction of p85α and subsequently activated Akt signaling have a protective effect against cardiac I/R injury, representing an important therapeutic strategy for mitigating myocardial damage.
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Affiliation(s)
- Kun Zhu
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Yangli Liu
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Rilei Dai
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Xun Wang
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Jingchen Li
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Zhiheng Lin
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Leilei Du
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Jing Guo
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Yingjiao Ju
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Wenting Zhu
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Li Wang
- State Key Laboratory of Cardiovascular Disease, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100037, China
| | - Chun-Mei Cao
- Laboratory of Cardiovascular Science, Beijing Clinical Research Institute, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China.
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202
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Wang X, Zhang H, Hu L, He J, Jiang Q, Ren L, Yu K, Fu M, Li Z, He Z, Zhu J, Wang Y, Jiang Z, Yang G. The high-bone-mass phenotype of novel transgenic mice with LRP5 A241T mutation. Bone 2024; 187:117172. [PMID: 38909879 DOI: 10.1016/j.bone.2024.117172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 06/15/2024] [Accepted: 06/17/2024] [Indexed: 06/25/2024]
Abstract
Gain-of-function mutations in the low-density lipoprotein receptor-related protein 5 (LRP5) can cause high-bone-mass (HBM) phenotype, with 19 identified mutations so far. The A242T mutation in LRP5 has been found in 9 families, making it one of the most prevalent mutations. However, the correlation between the A242T mutation and HBM phenotype remains unverified in animal models. This study aimed to investigate the bone properties in a new transgenic mouse model carrying the LRP5 A241T missense mutation, equivalent to A242T in humans. Heterozygous Lrp5A241T mice were generated using CRISPR/Cas9 genome editing. Body weight increased with age from 4 to 16 weeks, higher in males than females, with no difference between Lrp5A241T mice and wild-type control. Micro-CT showed slightly longer femur and notably elevated trabecular bone mass of the femur and fifth lumbar spine with higher bone mineral density, bone volume fraction, and trabecular thickness in Lrp5A241T mice compared to wild-type mice. Additionally, increased cortical bone thickness and volume of the femur shaft and skull were observed in Lrp5A241T mice. Three-point bending tests of the tibia demonstrated enhanced bone strength properties in Lrp5A241T mice. Histomorphometry confirmed that the A241T mutation increased bone formation without affecting osteoblast number and reduced resorption activities in vivo. In vitro experiments indicated that the LRP5 A241T mutation enhanced osteogenic capacity of osteoblasts with upregulation of the Wnt signaling pathway, with no significant impact on the resorptive activity of osteoclasts. In summary, mice carrying the LRP5 A241T mutation displayed high bone mass and quality due to enhanced bone formation and reduced bone resorption in vivo, potentially mediated by the augmented osteogenic potential of osteoblasts. Continued investigation into the regulatory mechanisms of its bone metabolism and homeostasis may contribute to the advancement of novel therapeutic strategies for bone disorders.
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Affiliation(s)
- Xueting Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Hui Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Ling Hu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Jin He
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Qifeng Jiang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Lingfei Ren
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Ke Yu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Mengdie Fu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China
| | - Zhikun Li
- Zhejiang University School of Medicine, Hangzhou, Zhejiang Province 310000, China
| | - Zhixu He
- Zhejiang University School of Medicine, Hangzhou, Zhejiang Province 310000, China
| | - Junhao Zhu
- Zhejiang University School of Medicine, Hangzhou, Zhejiang Province 310000, China
| | - Ying Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China.
| | - Zhiwei Jiang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China.
| | - Guoli Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, Zhejiang Province 310000, China.
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203
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Wang P, Li Z, Kim SH, Xu H, Huang H, Yang C, Snape A, Choi JH, Bermudez S, Boivin MN, Ferry N, Karamchandani J, Nagar B, Sonenberg N. PPM1G dephosphorylates eIF4E in control of mRNA translation and cell proliferation. Life Sci Alliance 2024; 7:e202402755. [PMID: 39111820 PMCID: PMC11306785 DOI: 10.26508/lsa.202402755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/10/2024] Open
Abstract
The mRNA 5'cap-binding eukaryotic translation initiation factor 4E (eIF4E) plays a critical role in the control of mRNA translation in health and disease. One mechanism of regulation of eIF4E activity is via phosphorylation of eIF4E by MNK kinases, which promotes the translation of a subset of mRNAs encoding pro-tumorigenic proteins. Work on eIF4E phosphatases has been paltry. Here, we show that PPM1G is the phosphatase that dephosphorylates eIF4E. We describe the eIF4E-binding motif in PPM1G that is similar to 4E-binding proteins (4E-BPs). We demonstrate that PPM1G inhibits cell proliferation by targeting phospho-eIF4E-dependent mRNA translation.
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Affiliation(s)
- Peng Wang
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
- Clinical Biological Imaging and Genetic (C-BIG) Repository, Montreal Neurological Institute-Hospital, Montreal, Canada
| | - Zixian Li
- https://ror.org/01pxwe438 Department of Biochemistry, Francesco Bellini Life Sciences Building, McGill University, Montreal, Canada
| | - Sung-Hoon Kim
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Haijin Xu
- https://ror.org/01pxwe438 Department of Physiology, McIntyre Medical Sciences Building, McGill University, Montreal, Canada
| | - Hao Huang
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Chutong Yang
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Abby Snape
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Jung-Hyun Choi
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Sara Bermudez
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
| | - Marie-Noelle Boivin
- Clinical Biological Imaging and Genetic (C-BIG) Repository, Montreal Neurological Institute-Hospital, Montreal, Canada
| | - Nicolas Ferry
- Clinical Biological Imaging and Genetic (C-BIG) Repository, Montreal Neurological Institute-Hospital, Montreal, Canada
| | - Jason Karamchandani
- Clinical Biological Imaging and Genetic (C-BIG) Repository, Montreal Neurological Institute-Hospital, Montreal, Canada
| | - Bhushan Nagar
- https://ror.org/01pxwe438 Department of Biochemistry, Francesco Bellini Life Sciences Building, McGill University, Montreal, Canada
| | - Nahum Sonenberg
- https://ror.org/01pxwe438 Department of Biochemistry and Goodman Cancer Institute, McGill University, Montreal, Canada
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204
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Tian L, Liu Q, Wang X, Chen S, Li Y. Fighting ferroptosis: Protective effects of dexmedetomidine on vital organ injuries. Life Sci 2024; 354:122949. [PMID: 39127318 DOI: 10.1016/j.lfs.2024.122949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 07/25/2024] [Accepted: 08/05/2024] [Indexed: 08/12/2024]
Abstract
Vital organ injury is one of the leading causes of global mortality and socio-economic burdens. Current treatments have limited efficacy, and new strategies are needed. Dexmedetomidine (DEX) is a highly selective α2-adrenergic receptor that protects multiple organs by reducing inflammation and preventing cell death. However, its exact mechanism is not yet fully understood. Understanding the underlying molecular mechanisms of its protective effects is crucial as it could provide a basis for designing highly targeted and more effective drugs. Ferroptosis is the primary mode of cell death during organ injury, and recent studies have shown that DEX can protect vital organs from this process. This review provides a detailed analysis of preclinical in vitro and in vivo studies and gains a better understanding of how DEX protects against vital organ injuries by inhibiting ferroptosis. Our findings suggest that DEX can potentially protect vital organs mainly by regulating iron metabolism and the antioxidant defense system. This is the first review that summarizes all evidence of ferroptosis's role in DEX's protective effects against vital organ injuries. Our work aims to provide new insights into organ therapy with DEX and accelerate its translation from the laboratory to clinical settings.
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Affiliation(s)
- Lei Tian
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
| | - Qian Liu
- Department of Anesthesiology, Zigong First People's Hospital, Zigong, China
| | - Xing Wang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
| | - Suheng Chen
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
| | - Yulan Li
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, China.
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205
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Althobaiti NA, Al-Abbas NS, Alsharif I, Albalawi AE, Almars AI, Basabrain AA, Jafer A, Ellatif SA, Bauthman NM, Almohaimeed HM, Soliman MH. Gadd45A-mediated autophagy regulation and its impact on Alzheimer's disease pathogenesis: Deciphering the molecular Nexus. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167353. [PMID: 39004381 DOI: 10.1016/j.bbadis.2024.167353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 06/18/2024] [Accepted: 07/08/2024] [Indexed: 07/16/2024]
Abstract
BACKGROUND The growth arrest and DNA damage-inducible 45 (Gadd45) gene has been implicated in various central nervous system (CNS) functions, both normal and pathological, including aging, memory, and neurodegenerative diseases. In this study, we examined whether Gadd45A deletion triggers pathways associated with neurodegenerative diseases including Alzheimer's disease (AD). METHODS Utilizing transcriptome data from AD-associated hippocampus samples, we identified Gadd45A as a pivotal regulator of autophagy. Comprehensive analyses, including Gene Ontology enrichment and protein-protein interaction network assessments, highlighted Cdkn1A as a significant downstream target of Gadd45A. Experimental validation confirmed Gadd45A's role in modulating Cdkn1A expression and autophagy levels in hippocampal cells. We also examined the effects of autophagy on hippocampal functions and proinflammatory cytokine secretion. Additionally, a murine model was employed to validate the importance of Gadd45A in neuroinflammation and AD pathology. RESULTS Our study identified 20 autophagy regulatory factors associated with AD, with Gadd45A emerging as a critical regulator. Experimental findings demonstrated that Gadd45A influences hippocampal cell fate by reducing Cdkn1A expression and suppressing autophagic activity. Comparisons between wild-type (WT) and Gadd45A knockout (Gadd45A-/-) mice revealed that Gadd45A-/- mice exhibited significant cognitive impairments, including deficits in working and spatial memory, increased Tau hyperphosphorylation, and elevated levels of kinases involved in Tau phosphorylation in the hippocampus. Additionally, Gadd45A-/- mice showed significant increases in pro-inflammatory cytokines and decreases autophagy markers in the brain. Neurotrophin levels and dendritic spine length were also reduced in Gadd45A-/- mice, likely contributing to the observed cognitive deficits. CONCLUSIONS These findings support the direct involvement of the Gadd45A gene in AD pathogenesis, and enhancing the expression of Gadd45A may represent a promising therapeutic strategy for the treatment of AD.
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Affiliation(s)
- Norah A Althobaiti
- Biology Department, College of Science and Humanities, Shaqra University, Saudi Arabia
| | - Nouf S Al-Abbas
- Department of Biology, Jamoum University College, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
| | - Ifat Alsharif
- Department of Biology, Jamoum University College, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
| | - Aishah E Albalawi
- Faculty of Science, Department of Biology, University of Tabuk, Tabuk 47913, Saudi Arabia
| | - Amany I Almars
- Department of Medial Laboratory Sciences, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ammar A Basabrain
- Department of Medial Laboratory Sciences, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Hematology Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ayman Jafer
- Department of Medial Laboratory Sciences, Faculty of Applied Medical Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Sawsan Abd Ellatif
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria 21934, Egypt
| | - Nuha M Bauthman
- Department of Obstetric & Gynecology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Hailah M Almohaimeed
- Department of Basic Science, College of Medicine, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Mona H Soliman
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt; Biology Department, Faculty of Science, Taibah University, Al-Sharm, Yanbu El-Bahr, Yanbu 46429, Saudi Arabia.
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206
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da Silva Duarte V, Treu L, Campanaro S, Fioravante Guerra A, Giacomini A, Mas A, Corich V, Lemos Junior WJF. Investigating biological mechanisms of colour changes in sustainable food systems: The role of Starmerella bacillaris in white wine colouration using a combination of genomic and biostatistics strategies. Food Res Int 2024; 193:114862. [PMID: 39160049 DOI: 10.1016/j.foodres.2024.114862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 07/30/2024] [Accepted: 07/30/2024] [Indexed: 08/21/2024]
Abstract
This study explores the biological mechanisms behind colour changes in white wine fermentation using different strains of Starmerella bacillaris. We combined food engineering, genomics, machine learning, and physicochemical analyses to examine interactions between S. bacillaris and Saccharomyces cerevisiae. Significant differences in total polyphenol content were observed, with S. bacillaris fermentation yielding 6 % higher polyphenol content compared to S. cerevisiae EC1118. Genomic analysis identified 12 genes in S. bacillaris with high variant counts that could impact phenotypic properties related to wine color. Notably, SNP analysis revealed numerous missense and synonymous variants, as well as stop-gained and start-lost variants between PAS13 and FRI751, suggesting changes in metabolic pathways affecting pigment production. Besides that, high upstream gene variants in SSK1 and HIP1R indicated potential regulatory changes influencing gene expression. Fermentation trials revealed FRI751 consistently showed high antioxidant activity and polyphenol content (Total Polyphenol: 299.33 ± 3.51 mg GAE/L, DPPH: 1.09 ± 0.01 mmol TE/L, FRAP: 0.95 ± 0.02 mmol TE/L). PAS13 exhibited a balanced profile, while EC1118 had lower values, indicating moderate antioxidant activity. The Weibull model effectively captured nitrogen consumption dynamics, with EC1118 serving as a reliable benchmark. The scale parameter delta for EC1118 was 23.04 ± 2.63, indicating moderate variability in event times. These findings highlight S. bacillaris as a valuable component in sustainable winemaking, offering an alternative to chemical additives for maintaining wine quality and enhancing colours profiles. This study provides insights into the biotechnological and fermented food systems applications of yeast strains in improving food sustainability and supply chain, opening new avenues in food engineering and microbiology.
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Affiliation(s)
- Vinicius da Silva Duarte
- Faculty of Chemistry, Biotechnology and Food Science, Norwegian University of Life Sciences, Ås, Norway
| | - Laura Treu
- Department Department of Biology, University of Padova, Padova, Italy
| | - Stefano Campanaro
- Department Department of Biology, University of Padova, Padova, Italy.
| | - André Fioravante Guerra
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca (CEFET/RJ), Valença, Rio de Janeiro, Brazil
| | - Alessio Giacomini
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, Italy
| | - Albert Mas
- Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Grup de Biotecnologia Enològica, Facultat d'Enologia, Tarragona, Catalonia, Spain
| | - Viviana Corich
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, Italy; Department of Land, Environment, Agriculture and Forestry - TeSAF Legnaro, Padova, Italy.
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207
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Hayashi SY, Craddock BP, Miller WT. Effects of heterologous kinase domains on growth factor receptor specificity. Cell Signal 2024; 122:111307. [PMID: 39048037 DOI: 10.1016/j.cellsig.2024.111307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 07/02/2024] [Accepted: 07/19/2024] [Indexed: 07/27/2024]
Abstract
The kinase domains of receptor tyrosine kinases (RTKs) are highly conserved, yet they are able to discriminate among potential substrates to selectively activate downstream signaling pathways. In this study, we tested the importance of catalytic domain specificity by creating two series of chimeric RTKs. In one set, the kinase domain of insulin-like growth factor I receptor (IGF1R) was replaced by the kinase domains from insulin receptor (IR), macrophage stimulating protein 1 receptor/Ron (Ron) or Src. In the other set of chimeras, the kinase domain of epidermal growth factor receptor (EGFR) was similarly replaced by the kinase domains of IR, Ron, or Src. We expressed the wild-type and chimeric forms of the receptors in mammalian cells. For some signaling events, such as recognition of IRS1, the identity of the tyrosine kinase catalytic domain did not appear to be crucial. In contrast, recognition of some sites, such as the C-terminal autophosphorylation sites on EGFR, did depend on the identity of the kinase domain. Our data also showed that ligand dependence was lost when the native kinase domains were replaced by Src, suggesting that the identity of the kinase domains could be important for proper receptor regulation. Overall, the results are consistent with the idea that the fidelity of RTK signaling depends on co-localization and targeting with substrates, as well as on the intrinsic specificity of the kinase domain.
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Affiliation(s)
- Samantha Y Hayashi
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY, USA 11794
| | - Barbara P Craddock
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY, USA 11794
| | - W Todd Miller
- Department of Physiology and Biophysics, Stony Brook University, Stony Brook, NY, USA 11794; Department of Veterans Affairs Medical Center, Northport, NY 11768, USA.
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208
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Shouib R, Eitzen G. Inflammatory gene regulation by Cdc42 in airway epithelial cells. Cell Signal 2024; 122:111321. [PMID: 39067837 DOI: 10.1016/j.cellsig.2024.111321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 07/16/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
Cytokine release from airway epithelial cells is a key immunological process that coordinates an immune response in the lungs. We propose that the Rho GTPase, Cdc42, regulates both transcription and trafficking of cytokines, ultimately affecting the essential process of cytokine release and subsequent inflammation in the lungs. Here, we examined the pro-inflammatory transcriptional profile that occurs in bronchial epithelial cells (BEAS-2B) in response to TNF-α using RNA-Seq and differential gene expression analysis. To interrogate the role of Cdc42 in inflammatory gene expression, we used a pharmacological inhibitor of Cdc42, ML141, and determined changes in the transcriptomic profile induced by Cdc42 inhibition. Our results indicated that Cdc42 inhibition with ML141 resulted in a unique inflammatory phenotype concomitant with increased gene expression of ER stress genes, Golgi membrane and vesicle transport genes. To further interrogate the inflammatory pathways regulated by Cdc42, we made BEAS-2B knockdown strains for the signaling targets TRIB3, DUSP5, SESN2 and BMP4, which showed high differential expression in response to Cdc42 inhibition. Depletion of DUSP5 and TRIB3 reduced the pro-inflammatory response triggered by Cdc42 inhibition as shown by a reduction in cytokine transcript levels. Depletion of SESN2 and BMP4 did not affect cytokine transcript level, however, Golgi fragmentation was reduced. These results provide further evidence that in airway epithelial cells, Cdc42 is part of a signaling network that controls inflammatory gene expression and secretion by regulating Golgi integrity. Summary sentence:We define the Cdc42-regulated gene networks for inflammatory signaling in airway epithelial cells which includes regulation of ER stress response and vesicle trafficking pathways.
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Affiliation(s)
- Rowayna Shouib
- Department of Cell Biology, University of Alberta, Edmonton, AB, Canada
| | - Gary Eitzen
- Department of Cell Biology, University of Alberta, Edmonton, AB, Canada.
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209
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Zhao H, Wu G, Luo Y, Xie Y, Han Y, Zhang D, Han Q, Zhao X, Qin Y, Li Q, Wang E. WNT5B promotes the malignant phenotype of non-small cell lung cancer via the FZD3-DVL3-RAC1-PCP-JNK pathway. Cell Signal 2024; 122:111330. [PMID: 39094673 DOI: 10.1016/j.cellsig.2024.111330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 07/10/2024] [Accepted: 07/30/2024] [Indexed: 08/04/2024]
Abstract
The WNT5B ligand regulates the non-canonical wingless-related integration site (WNT)-planar cell polarity (PCP) pathway. However, the detailed mechanism underlying the activity of WNT5B in the WNT-PCP pathway in non-small cell lung cancer (NSCLC) is unclear. In this study, we assessed the clinicopathological significance of WNT5B expression in NSCLC specimens. WNT5B-overexpression and -knockdown NSCLC cell lines were generated in vivo and in vitro, respectively. WNT5B overexpression in NSCLC specimens correlates with advanced tumor node metastasis (TNM) stage, lymph node metastasis, and poor prognosis in patients with NSCLC. Additionally, WNT5B promotes the malignant phenotype of NSCLC cells in vivo and in vitro. Interactions were identified among WNT5B, frizzled3 (FZD3), and disheveled3 (DVL3) in NSCLC cells, leading to the activation of WNT-PCP signaling. The FZD3 receptor initiates DVL3 recruitment to the membrane for phosphorylation in a WNT5B ligand-dependent manner and activates c-Jun N-terminal kinase (JNK) signaling via the small GTPase RAC1. Furthermore, the deletion of the DEP domain of DVL3 abrogated these effects. Overall, we demonstrated a novel signal transduction pathway in which WNT5B recruits DVL3 to the membrane via its DEP domain through interaction with FZD3 to promote RAC1-PCP-JNK signaling, providing a potential target for clinical intervention in NSCLC treatment.
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Affiliation(s)
- Huanyu Zhao
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Guangping Wu
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Yuan Luo
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Yusai Xie
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Yang Han
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Di Zhang
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Qiang Han
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Xinran Zhao
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Ye Qin
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Qingchang Li
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
| | - Enhua Wang
- Department of Pathology, The First Hospital and College of Basic Medical Sciences, China Medical University, Shenyang, China.
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210
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Fan Y, Kang S, Shao T, Xu L, Chen J. Activation of SIRT3 by Tanshinone IIA ameliorates renal fibrosis by suppressing the TGF-β/TSP-1 pathway and attenuating oxidative stress. Cell Signal 2024; 122:111348. [PMID: 39153586 DOI: 10.1016/j.cellsig.2024.111348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 08/08/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Although doxorubicin (DOX) is a common chemotherapeutic drug, the serious nephrotoxicity caused by DOX-induced renal fibrosis remains a considerable clinical problem. Tanshinone IIA (Tan IIA), a compound extracted from Salvia miltiorrhiza, has been reported to have an anti-fibrotic effect. Therefore, this study investigated the molecular pathway whereby Tan IIA protects the kidneys from DOX administration. DOX (3 mg/kg body weight) was intraperitoneally administered every 3 d for a total of 7 injections (cumulative dose of 21 mg/kg) to induce nephrotoxicity. Then, Tan IIA (5 or 10 mg/kg/d) was administered by intraperitoneal injection for 28 d. In an in vitro study, 293 T cells were cultured and treated with DOX and Tan IIA for 24 h. Tan IIA reduced the blood urea nitrogen levels elevated by DOX while increasing superoxide dismutase activity, down-regulating reactive oxygen species, ameliorating renal-tubule thickening, and rescuing mitochondrial morphology. Additionally, Tan IIA reduced the renal collagen deposition, increased ATP production and complex-I activity, down-regulated transforming growth factor-β1 (TGF-β1) and thrombospondin-1 (TSP-1), and up-regulated sirtuin 3 (SIRT3). Tan IIA significantly increased cell viability. Additionally, RNA interference was employed to silence the expression of SIRT3, which eliminated the effect of Tan IIA in suppressing the expression of TGF-β1 and TSP-1. In conclusion, Tan IIA ameliorated DOX-induced nephrotoxicity by attenuating oxidative injury and fibrosis. The Tan IIA-induced rescue of mitochondrial morphology and function while alleviating renal fibrosis may be associated with the activation of SIRT3 to suppress the TGF-β/TSP-1 pathway.
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Affiliation(s)
- Yifeng Fan
- School of Medical Imaging, Hangzhou medical college, No. 481 Binwen Road, Binjiang District, Hangzhou, 310053, Zhejiang, China
| | - Shengyu Kang
- School of Medical Imaging, Hangzhou medical college, No. 481 Binwen Road, Binjiang District, Hangzhou, 310053, Zhejiang, China
| | - Tong Shao
- School of Medical Imaging, Hangzhou medical college, No. 481 Binwen Road, Binjiang District, Hangzhou, 310053, Zhejiang, China
| | - Linhao Xu
- Department of Cardiology, Hangzhou, First People's Hospital, Hangzhou, 310006, China; Translational Medicine Research Center, Hangzhou First People's Hospital, Hangzhou, 310006, China.
| | - Jian Chen
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou medical college, No. 481 Binwen Road, Binjiang District, Hangzhou, 310053, Zhejiang, China.
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211
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Renton MC, McGee SL, Howlett KF. The role of protein kinase D (PKD) in obesity: Lessons from the heart and other tissues. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119814. [PMID: 39128598 DOI: 10.1016/j.bbamcr.2024.119814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/15/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024]
Abstract
Obesity causes a range of tissue dysfunctions that increases the risk for morbidity and mortality. Protein kinase D (PKD) represents a family of stress-activated intracellular signalling proteins that regulate essential processes such as cell proliferation and differentiation, cell survival, and exocytosis. Evidence suggests that PKD regulates the cellular adaptations to the obese environment in metabolically important tissues and drives the development of a variety of diseases. This review explores the role that PKD plays in tissue dysfunction in obesity, with special consideration of the development of obesity-mediated cardiomyopathy, a distinct cardiovascular disease that occurs in the absence of common comorbidities and leads to eventual heart failure and death. The downstream mechanisms mediated by PKD that could contribute to dysfunctions observed in the heart and other metabolically important tissues in obesity, and the predicted cell types involved are discussed to suggest potential targets for the development of therapeutics against obesity-related disease.
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Affiliation(s)
- Mark C Renton
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Science, Deakin University, Geelong, Australia; The Fralin Biomedical Research Institute at Virginia Tech Carilion, Centre for Vascular and Heart Research, Roanoke, VA, USA.
| | - Sean L McGee
- Institute for Mental and Physical Health and Clinical Translation, Metabolic Research Unit, School of Medicine, Deakin University, Geelong, Australia.
| | - Kirsten F Howlett
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Science, Deakin University, Geelong, Australia.
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212
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Li S, Huff RD, Rider CF, Yuen ACY, Carlsten C. Controlled human exposures to diesel exhaust or particle-depleted diesel exhaust with allergen modulates transcriptomic responses in the lung. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173688. [PMID: 38851342 DOI: 10.1016/j.scitotenv.2024.173688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 05/13/2024] [Accepted: 05/30/2024] [Indexed: 06/10/2024]
Abstract
The evidence associating traffic-related air pollution (TRAP) with allergic asthma is growing, but the underlying mechanisms for this association remain unclear. The airway epithelium is the primary tissue exposed to TRAP, hence understanding its interactions with TRAP and allergen is important. Diesel exhaust (DE), a paradigm of TRAP, consists of particulate matter (PM) and gases. Modern diesel engines often have catalytic diesel particulate filters to reduce PM output, but these may increase gaseous concentrations, and their benefits on human health cannot be assumed. We conducted a randomized, double-blinded, crossover study using our unique in vivo human exposure system to investigate the effects of DE and allergen co-exposure, with or without particle depletion as a proxy for catalytic diesel particulate filters, on the airway epithelial transcriptome. Participants were exposed for 2 h before an allergen inhalation challenge, with each receiving filtered air and saline (FA-S), filtered air and allergen (FA-A), DE and allergen (DE-A), or particle-depleted DE and allergen (PDDE-A), over four different occasions, each separated by a 4-week washout period. Endobronchial brushings were collected 48 h after each exposure, and total RNA was sequenced. Differentially expressed genes (DEGs) were identified using DESeq2, followed by GO enrichment and pathway analysis. FA-A, DE-A, and PDDE-A exposures significantly modulated genes relative to FA-S, with 462 unique DEGs identified. FA-A uniquely modulated the highest number (↑178, ↓155), followed by DE-A (↑44, ↓23), and then PDDE-A exposure (↑15, ↓2); 6 DEGs (↑4, ↓2) were modulated by all three conditions. Exposure to PDDE-A resulted in modulation of 285 DEGs compared to DE-A exposure, further revealing 26 biological process GO terms, including "cellular response to chemokine" and "inflammatory response". The transcriptional epithelial response to diesel exhaust and allergen co-exposure is enriched in inflammatory mediators, the pattern of which is altered upon particle depletion.
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Affiliation(s)
- Shijia Li
- Air Pollution Exposure Laboratory (APEL), Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Ryan D Huff
- Air Pollution Exposure Laboratory (APEL), Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Christopher F Rider
- Air Pollution Exposure Laboratory (APEL), Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Agnes C Y Yuen
- Air Pollution Exposure Laboratory (APEL), Faculty of Medicine, University of British Columbia, Vancouver, Canada
| | - Chris Carlsten
- Air Pollution Exposure Laboratory (APEL), Faculty of Medicine, University of British Columbia, Vancouver, Canada.
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213
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Zhang W, Xue Z, Cao Q, Zong Y, Li X, Ma Y, Jia C, Liu C, Ding N, Wang R. Characterization of medaka (Oryzias latipes) AHRs and the comparison of two model fishes-Medaka vs. zebrafish: The subform-specific sensitivity to dioxin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:174136. [PMID: 38901578 DOI: 10.1016/j.scitotenv.2024.174136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 06/16/2024] [Accepted: 06/17/2024] [Indexed: 06/22/2024]
Abstract
Dioxins and the emerging dioxin-like compounds (DLCs) have recruited increasing concerns about their environmental contamination, toxicity, health impacts, and mechanisms. Based on the structural similarity of dioxins and many DLCs, their toxicity was predominantly mediated by the dioxin receptor (aryl hydrocarbon receptor, AHR) in animals (including human), which can be different in expression and function among species and then possibly produce the species-specific risk or toxicity. To date, characterizing the AHR of additional species other than human and rodents can increase the accuracy of toxicity/risk evaluation and increase knowledge about AHR biology. As a key model, the medaka AHR has not been clearly characterized. Through genome survey and phylogenetic analysis, we identified four AHRs (olaAHR1a, olaAHR1b, olaAHR2a, and olaAHR2b) and two ARNTs (olaARNT1 and olaARNT2). The medaka AHR pathway was conserved in expression in nine tested tissues, of which olaAHR2a represented the predominant subform with greater abundance. Medaka AHRs and ARNTs were functional and could be efficiently transactivated by the classical dioxin congener 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), although olaAHR1a did not seem to cooperate with olaARNT2. In terms of function/sensitivity, the EC50 values of medaka olaAHR1a (9.01 ± 1.43 nM), olaAHR1b (4.00 ± 1.10 nM), olaAHR2a (8.75 ± 3.34 nM), and olaAHR2b (3.06 ± 0.81 nM) showed slight differences; however, they were all at the nM level. The sensitivity of four medaka AHRs to TCDD was similar to that of zebrafish dreAHR2 (the dominant form, EC50 = 3.14 ± 4.19 nM), but these medaka AHRs were more sensitive than zebrafish dreAHR1b (EC50 = 27.05 ± 18.51 nM). The additional comparison also indicated that the EC50 values in various species were usually within the nM range, but AHRs of certain subforms/species can vary by one or two orders of magnitude. In summary, the present study will enhance the understanding of AHR and help improve research on the ecotoxicity of dioxins/DLCs.
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Affiliation(s)
- Wanglong Zhang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China.
| | - Zhenhong Xue
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Qining Cao
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Yanjiao Zong
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Xingyang Li
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Yongchao Ma
- Department of Medicine, School of Clinical Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chuanxing Jia
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Chunchen Liu
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
| | - Ning Ding
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China.
| | - Renjun Wang
- College of Life Sciences, Qufu Normal University, Qufu, Shandong 273165, China
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214
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Wang Y, Lilienfeldt N, Hekimi S. Understanding coenzyme Q. Physiol Rev 2024; 104:1533-1610. [PMID: 38722242 DOI: 10.1152/physrev.00040.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 04/08/2024] [Accepted: 05/01/2024] [Indexed: 08/11/2024] Open
Abstract
Coenzyme Q (CoQ), also known as ubiquinone, comprises a benzoquinone head group and a long isoprenoid side chain. It is thus extremely hydrophobic and resides in membranes. It is best known for its complex function as an electron transporter in the mitochondrial electron transport chain (ETC) but is also required for several other crucial cellular processes. In fact, CoQ appears to be central to the entire redox balance of the cell. Remarkably, its structure and therefore its properties have not changed from bacteria to vertebrates. In metazoans, it is synthesized in all cells and is found in most, and maybe all, biological membranes. CoQ is also known as a nutritional supplement, mostly because of its involvement with antioxidant defenses. However, whether there is any health benefit from oral consumption of CoQ is not well established. Here we review the function of CoQ as a redox-active molecule in the ETC and other enzymatic systems, its role as a prooxidant in reactive oxygen species generation, and its separate involvement in antioxidant mechanisms. We also review CoQ biosynthesis, which is particularly complex because of its extreme hydrophobicity, as well as the biological consequences of primary and secondary CoQ deficiency, including in human patients. Primary CoQ deficiency is a rare inborn condition due to mutation in CoQ biosynthetic genes. Secondary CoQ deficiency is much more common, as it accompanies a variety of pathological conditions, including mitochondrial disorders as well as aging. In this context, we discuss the importance, but also the great difficulty, of alleviating CoQ deficiency by CoQ supplementation.
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Affiliation(s)
- Ying Wang
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Noah Lilienfeldt
- Department of Biology, McGill University, Montreal, Quebec, Canada
| | - Siegfried Hekimi
- Department of Biology, McGill University, Montreal, Quebec, Canada
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215
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Hunt BJ, Pegoraro M, Marshall H, Mallon EB. A role for DNA methylation in bumblebee morphogenesis hints at female-specific developmental erasure. INSECT MOLECULAR BIOLOGY 2024; 33:481-492. [PMID: 38348493 DOI: 10.1111/imb.12897] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 01/23/2024] [Indexed: 08/20/2024]
Abstract
Epigenetic mechanisms, such as DNA methylation, are crucial factors in animal development. In some mammals, almost all DNA methylation is erased during embryo development and re-established in a sex- and cell-specific manner. This erasure and re-establishment is thought to primarily be a vertebrate-specific trait. Insects are particularly interesting in terms of development as many species often undergo remarkable morphological changes en route to maturity, that is, morphogenesis. However, little is known about the role of epigenetic mechanisms in this process across species. We have used whole-genome bisulfite sequencing to track genome-wide DNA methylation changes through the development of an economically and environmentally important pollinator species, the bumblebee Bombus terrestris (Hymenoptera:Apidae Linnaeus). We find overall levels of DNA methylation vary throughout development, and we find developmentally relevant differentially methylated genes throughout. Intriguingly, we have identified a depletion of DNA methylation in ovaries/eggs and an enrichment of highly methylated genes in sperm. We suggest this could represent a sex-specific DNA methylation erasure event. To our knowledge, this is the first suggestion of possible developmental DNA methylation erasure in an insect species. This study lays the required groundwork for functional experimental work to determine if there is a causal nature to the DNA methylation differences identified. Additionally, the application of single-cell methylation sequencing to this system will enable more accurate identification of if or when DNA methylation is erased during development.
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Affiliation(s)
- Ben J Hunt
- Centre for Ecology and Conservation, University of Exeter, Cornwall, UK
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
| | - Mirko Pegoraro
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
- School of Biological and Environmental Sciences, Liverpool John Moores University, Liverpool, UK
| | - Hollie Marshall
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
| | - Eamonn B Mallon
- Department of Genetics and Genome Biology, University of Leicester, Leicester, UK
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216
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Zhang F, Xiong Q, Wang M, Cao X, Zhou C. FUBP1 in human cancer: Characteristics, functions, and potential applications. Transl Oncol 2024; 48:102066. [PMID: 39067088 PMCID: PMC11338137 DOI: 10.1016/j.tranon.2024.102066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/04/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024] Open
Abstract
Far upstream element-binding protein 1 (FUBP1) is a single-stranded nucleic acid-binding protein that binds to the Far Upstream Element (FUSE) sequence and is involved in important biological processes, including DNA transcription, RNA biogenesis, and translation. Recent studies have highlighted the significance of aberrant expression or mutations in FUBP1 in the development of various tumors, with FUBP1 overexpression often indicating oncogenic roles in different tumor types. However, it is worth noting that recent research has discovered its tumor-suppressive role in cancer, which is not yet fully understood and appears to be tissue- or context-dependent. This review summarizes the association between FUBP1 and diverse cancers and discusses the functions of FUBP1 in cancer. In addition, this review proposes potential clinical implications and outlines future research directions to pave the way for the development of targeted therapeutic strategies focusing on FUBP1.
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Affiliation(s)
- Fan Zhang
- Department of Oncology, Shaanxi Provincial People's Hospital, No 256 Youyi West Road, Xi'an, 710068, Shaanxi, China
| | - Qunli Xiong
- Department of Abdominal Oncology, West China Hospital, Sichuan University, No 37 Guoxue Lane, Chengdu, 610041, Sichuan, China
| | - Min Wang
- Department of Science and Education, Xi'an Children's Hospital Affiliated of Xi'an Jiaotong University, No 69 Xijuyuan lane, Xi'an, 710002, Shaanxi, China
| | - Ximing Cao
- Department of Radiation Oncology, Shaanxi Provincial People's Hospital, No 256 Youyi West Road, Xi'an, 710068, Shaanxi, China
| | - Congya Zhou
- Department of Radiation Oncology, Shaanxi Provincial People's Hospital, No 256 Youyi West Road, Xi'an, 710068, Shaanxi, China.
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217
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Zeng X, Tang S, Dong X, Dong M, Shao R, Liu R, Li T, Zhang X, Wong YH, Xie Q. Analysis of metagenome and metabolome disclosed the mechanisms of Dendrobium officinale polysaccharide on DSS-induced ulcerative colitis-affected mice. Int J Biol Macromol 2024; 277:134229. [PMID: 39089548 DOI: 10.1016/j.ijbiomac.2024.134229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 07/18/2024] [Accepted: 07/26/2024] [Indexed: 08/04/2024]
Abstract
Currently, there is no known cause for ulcerative colitis (UC), an inflammatory bowel disease that is difficult to treat. This assay aimed to investigate the protective effects and mechanisms of Dendrobium officinale polysaccharide (DOP) in mice with acute UC induced by dextran sulphate sodium (DSS). We found that DOP could improve weight loss, decrease the disease activity index (DAI), and regulate the release of interleukin 2 (IL-2), IL-4, IL-6, and IL-10 in DSS-induced acute UC mice. Additionally, DOP preserved the integrity of the intestinal barrier in UC mice by increasing goblet cell density and maintaining tight junctions. DOP significantly enhanced total antioxidant capacity (T-AOC), and reduced glutathione (GSH), nitric oxide (NO), and malondialdehyde (MDA) levels in the bloodstream. In terms of serum biochemistry, DOP markedly elevated levels of bilirubin (BIL), alkaline phosphatase (ALP), total bile acid (TBA), creatinine (Crea), and creative kinase isoenzyme (CKMB). Furthermore, DOP increased the relative abundance of Lactobacillales. DOP also improved intestinal health and stimulated the synthesis of potent anti-inflammatory and antiviral substances by regulating the metabolism of purines, prostaglandins, and leukotrienes. Therefore, DOP can be considered a functional dietary supplement for the treatment of UC, as it improves the condition of DSS-induced UC mice.
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Affiliation(s)
- Xiaona Zeng
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, PR China; State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Shengqiu Tang
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, PR China; Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, PR China
| | - Xiaoying Dong
- Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan 512005, PR China; Henry Fok School of Biology and Agriculture, Shaoguan University, Shaoguan 512005, PR China
| | - Mengyue Dong
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Runlin Shao
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Ruiheng Liu
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Tong Li
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Xinheng Zhang
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China
| | - Yung Hou Wong
- Division of Life Sciences and the Biotechnology Research Institute, Hong Kong University of Science and Technology, Hong Kong, China.
| | - Qingmei Xie
- State Key Laboratory of Swine and Poultry Breeding Industry & Heyuan Branch, Guangdong Provincial Laboratory of Lingnan Modern Agricultural Science and Technology, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Provincial Key Lab of AgroAnimal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Engineering Research Center for Vector Vaccine of Animal Virus, Guangzhou 510642, PR China.
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218
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Katsu Y, Zhang J, Baker ME. Lysine-Cysteine-Serine-Tryptophan inserted into the DNA-binding domain of human mineralocorticoid receptor increases transcriptional activation by aldosterone. J Steroid Biochem Mol Biol 2024; 243:106548. [PMID: 38821293 DOI: 10.1016/j.jsbmb.2024.106548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 06/02/2024]
Abstract
Due to alternative splicing in an ancestral DNA-binding domain (DBD) of the mineralocorticoid receptor (MR), humans contain two almost identical MR transcripts with either 984 amino acids (MR-984) or 988 amino acids (MR-988), in which their DBDs differ by only four amino acids, Lys,Cys,Ser,Trp (KCSW). Human MRs also contain mutations at two sites, codons 180 and 241, in the amino terminal domain (NTD). Together, there are five distinct full-length human MR genes in GenBank. Human MR-984, which was cloned in 1987, has been extensively studied. Human MR-988, cloned in 1995, contains KCSW in its DBD. Neither this human MR-988 nor the other human MR-988 genes have been studied for their response to aldosterone and other corticosteroids. Here, we report that transcriptional activation of human MR-988 by aldosterone is increased by about 50 % compared to activation of human MR-984 in HEK293 cells transfected with the TAT3 promoter, while the half-maximal response (EC50) is similar for aldosterone activation of MR-984 and MR-988. Transcriptional activation of human MR also depends on the amino acids at codons 180 and 241. Interestingly, in HEK293 cells transfected with the MMTV promoter, transcriptional activation by aldosterone of human MR-988 is similar to activation of human MR-984, indicating that the promoter has a role in the regulation of the response of human MR-988 to aldosterone. The physiological responses to aldosterone and other corticosteroids in humans with MR genes containing KCSW and with differences at codons 180 and 241 in the NTD warrant investigation.
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Affiliation(s)
- Yoshinao Katsu
- Faculty of Science, Hokkaido University, Sapporo, Japan; Graduate School of Life Science, Hokkaido University, Sapporo, Japan
| | - Jiawen Zhang
- Graduate School of Life Science, Hokkaido University, Sapporo, Japan
| | - Michael E Baker
- Division of Nephrology-Hypertension, Department of Medicine, 0693, University of California, 9500 Gilman Drive, La Jolla, San Diego, CA 92093, USA; Center for Academic Research and Training in Anthropogeny (CARTA) University of California, La Jolla, San Diego, CA 92093, USA.
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219
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Kim AH, Sakin I, Viviano S, Tuncel G, Aguilera SM, Goles G, Jeffries L, Ji W, Lakhani SA, Kose CC, Silan F, Oner SS, Kaplan OI, Ergoren MC, Mishra-Gorur K, Gunel M, Sag SO, Temel SG, Deniz E. CC2D1A causes ciliopathy, intellectual disability, heterotaxy, renal dysplasia, and abnormal CSF flow. Life Sci Alliance 2024; 7:e202402708. [PMID: 39168639 PMCID: PMC11339347 DOI: 10.26508/lsa.202402708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 07/29/2024] [Accepted: 07/30/2024] [Indexed: 08/23/2024] Open
Abstract
Intellectual and developmental disabilities result from abnormal nervous system development. Over a 1,000 genes have been associated with intellectual and developmental disabilities, driving continued efforts toward dissecting variant functionality to enhance our understanding of the disease mechanism. This report identified two novel variants in CC2D1A in a cohort of four patients from two unrelated families. We used multiple model systems for functional analysis, including Xenopus, Drosophila, and patient-derived fibroblasts. Our experiments revealed that cc2d1a is expressed explicitly in a spectrum of ciliated tissues, including the left-right organizer, epidermis, pronephric duct, nephrostomes, and ventricular zone of the brain. In line with this expression pattern, loss of cc2d1a led to cardiac heterotaxy, cystic kidneys, and abnormal CSF circulation via defective ciliogenesis. Interestingly, when we analyzed brain development, mutant tadpoles showed abnormal CSF circulation only in the midbrain region, suggesting abnormal local CSF flow. Furthermore, our analysis of the patient-derived fibroblasts confirmed defective ciliogenesis, further supporting our observations. In summary, we revealed novel insight into the role of CC2D1A by establishing its new critical role in ciliogenesis and CSF circulation.
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Affiliation(s)
- Angelina Haesoo Kim
- https://ror.org/03pnmqc26 Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA
| | - Irmak Sakin
- Department of ENT, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
- Acibadem University School of Medicine, Istanbul, Turkey
| | - Stephen Viviano
- https://ror.org/03pnmqc26 Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA
| | - Gulten Tuncel
- https://ror.org/02x8svs93 DESAM Research Institute, Near East University, Nicosia, Cyprus
| | | | - Gizem Goles
- Department of Neurosurgery, Yale University School of Medicine, New Haven, CT, USA
| | - Lauren Jeffries
- Pediatric Genomics Discovery Program, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
| | - Weizhen Ji
- Pediatric Genomics Discovery Program, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
| | - Saquib A Lakhani
- https://ror.org/03pnmqc26 Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA
- Pediatric Genomics Discovery Program, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
| | - Canan Ceylan Kose
- Canakkale 18 March University, Faculty of Medicine, Department of Medical Genetics, Canakkale, Turkey
| | - Fatma Silan
- Canakkale 18 March University, Faculty of Medicine, Department of Medical Genetics, Canakkale, Turkey
| | - Sukru Sadik Oner
- Department of Pharmacology, Goztepe Prof. Dr. Suleyman Yalcin City Hospital, Istanbul, Turkey
- Istanbul Medeniyet University, Science and Advanced Technologies Research Center (BILTAM), Istanbul, Turkey
| | - Oktay I Kaplan
- Rare Disease Laboratory, School of Life and Natural Sciences, Abdullah Gul University, Kayseri, Turkey
| | - Mahmut Cerkez Ergoren
- https://ror.org/02x8svs93 Department of Medical Genetics, Faculty of Medicine, Near East University, Nicosia, Cyprus
| | - Ketu Mishra-Gorur
- https://ror.org/03pnmqc26 Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Murat Gunel
- https://ror.org/03pnmqc26 Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
- Yale Program in Brain Tumor Research, Yale University School of Medicine, New Haven, CT, USA
- Department of Neuroscience, Yale University School of Medicine, New Haven, CT, USA
| | - Sebnem Ozemri Sag
- Department of Medical Genetics, Faculty of Medicine, Uludag University, Bursa, Turkey
| | - Sehime G Temel
- Department of Medical Genetics, Faculty of Medicine, Uludag University, Bursa, Turkey
- Department of Histology and Embryology and Health Sciences Institute, Department of Translational Medicine, Faculty of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Engin Deniz
- https://ror.org/03pnmqc26 Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA
- Pediatric Genomics Discovery Program, Department of Pediatrics, Yale University School of Medicine, New Haven, CT, USA
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220
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Posani SH, Gillis NE, Lange CA. Glucocorticoid receptors orchestrate a convergence of host and cellular stress signals in triple negative breast cancer. J Steroid Biochem Mol Biol 2024; 243:106575. [PMID: 38950871 PMCID: PMC11344665 DOI: 10.1016/j.jsbmb.2024.106575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 06/06/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer that lacks expression of the nuclear steroid receptors that bind estrogens (ER) and progestogens (PRs) and does not exhibit HER2 (Human epidermal growth factor 2) receptor overexpression. Even in the face of initially effective chemotherapies, TNBC patients often relapse. One primary cause for therapy-resistant tumor progression is the activation of cellular stress signaling pathways. The glucocorticoid receptor (GR), a corticosteroid-activated transcription factor most closely related to PR, is a mediator of both endocrine/host stress and local tumor microenvironment (TME)-derived and cellular stress responses. Interestingly, GR expression is associated with a good prognosis in ER+ breast cancer but predicts poor prognosis in TNBC. Classically, GR's transcriptional activity is regulated by circulating glucocorticoids. Additionally, GR is regulated by ligand-independent signaling events. Notably, the stress-activated protein kinase, p38 MAP kinase, phosphorylates GR at serine 134 (Ser134) in response to TME-derived growth factors and cytokines, including HGF and TGFβ1. Phospho-Ser134-GR (p-Ser134-GR) associates with cytoplasmic and nuclear signaling molecules, including 14-3-3ζ, aryl hydrocarbon receptors (AhR), and hypoxia-inducible factors (HIFs). Phospho-GR/HIF-containing transcriptional complexes upregulate gene sets whose protein products include the components of inducible oncogenic signaling pathways (PTK6) that further promote cancer cell survival, chemoresistance, altered metabolism, and migratory/invasive behavior in TNBC. Recent studies have implicated liganded p-Ser134-GR (p-GR) in dexamethasone-mediated upregulation of genes related to TNBC cell motility and dysregulated metabolism. Herein, we review the tumor-promoting roles of GR and discuss how both ligand-dependent and ligand-independent/stress signaling-driven inputs to p-GR converge to orchestrate metastatic TNBC progression.
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Affiliation(s)
- Sai Harshita Posani
- Molecular Pharmacology and Therapeutics Program, University of Minnesota, Minneapolis 55455, United States; Department of Pharmacology, University of Minnesota, Minneapolis 55455, United States
| | - Noelle E Gillis
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, United States
| | - Carol A Lange
- Masonic Cancer Center, University of Minnesota, Minneapolis 55455, United States; Department of Medicine (Division of Hematology, Oncology, and Transplantation), University of Minnesota, Minneapolis 55455, United States; Department of Pharmacology, University of Minnesota, Minneapolis 55455, United States.
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221
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Du Y, He Z, Jin S, Jin G, Wang K, Yang F, Zhang J. Targeting histone methylation and demethylation for non-alcoholic fatty liver disease. Bioorg Chem 2024; 151:107698. [PMID: 39126869 DOI: 10.1016/j.bioorg.2024.107698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 07/16/2024] [Accepted: 08/04/2024] [Indexed: 08/12/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the leading chronic liver disease worldwide, facing increasing challenges in terms of prevention and treatment. The methylation of lysine and arginine residues on histone proteins is dynamically controlled by histone methyltransferases (HMTs) and histone demethylases (HDMs), regulating chromatin structure and gene transcription. Mutations, genetic translocations, and altered gene expression involving HMTs and HDMs are frequently observed in NAFLD. HMTs and HDMs are receiving increasing attention in regulating NALFD. Targeting specific HMTs and HDMs for drug development is becoming a new strategy for treating NAFLD. This review provides a comprehensive summary of the regulatory mechanism of histone methylation/demethylation in NAFLD. Additionally, we discuss the potential applications of HMTs and HDMs inhibitors in preventing NAFLD, which may provide a scientific basis for the treatment of NAFLD.
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Affiliation(s)
- Yuanbing Du
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China
| | - Zhangxu He
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China.
| | - Sasa Jin
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China
| | - Gang Jin
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China
| | - Kaiyue Wang
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China
| | - Feifei Yang
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China.
| | - Jingyu Zhang
- Pharmacy College, Henan University of Chinese Medicine, 450046 Zhengzhou, PR China.
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222
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Querci L, Piccioli M, Ciofi-Baffoni S, Banci L. Structural aspects of iron‑sulfur protein biogenesis: An NMR view. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119786. [PMID: 38901495 DOI: 10.1016/j.bbamcr.2024.119786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/15/2024] [Accepted: 06/10/2024] [Indexed: 06/22/2024]
Abstract
Over the last decade, structural aspects involving iron‑sulfur (Fe/S) protein biogenesis have played an increasingly important role in understanding the high mechanistic complexity of mitochondrial and cytosolic machineries maturing Fe/S proteins. In this respect, solution NMR has had a significant impact because of its ability to monitor transient protein-protein interactions, which are abundant in the networks of pathways leading to Fe/S cluster biosynthesis and transfer, as well as thanks to the developments of paramagnetic NMR in both terms of new methodologies and accurate data interpretation. Here, we review the use of solution NMR in characterizing the structural aspects of human Fe/S proteins and their interactions in the framework of Fe/S protein biogenesis. We will first present a summary of the recent advances that have been achieved by paramagnetic NMR and then we will focus our attention on the role of solution NMR in the field of human Fe/S protein biogenesis.
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Affiliation(s)
- Leonardo Querci
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy
| | - Mario Piccioli
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy
| | - Simone Ciofi-Baffoni
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy.
| | - Lucia Banci
- Magnetic Resonance Center CERM, University of Florence, Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy; Department of Chemistry, University of Florence, Via della Lastruccia 3, Sesto Fiorentino, 50019 Florence, Italy; Consorzio Interuniversitario Risonanze Magnetiche di Metalloproteine (CIRMMP), Via Luigi Sacconi 6, Sesto Fiorentino, 50019 Florence, Italy.
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223
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Hao S, Wang JH, Hou L, Liang JW, Yan JH, Niu YF, Li XY, Sun Q, Meng FH. Design, synthesis and biological evaluation of novel quinazoline-derived EGFR/HER-2 dual-target inhibitors bearing a heterocyclic-containing tail as potential anti-tumor agents. Bioorg Chem 2024; 151:107686. [PMID: 39111120 DOI: 10.1016/j.bioorg.2024.107686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Revised: 07/25/2024] [Accepted: 07/29/2024] [Indexed: 08/30/2024]
Abstract
A series of novel quinazoline-derived EGFR/HER-2 dual-target inhibitors were designed and synthesized by heterocyclic-containing tail approach. The inhibitory activities against four human epidermal growth factor receptor (HER) isozymes (EGFR, HER-2, HER-3 and HER-4) of all new compounds so designed were investigated in vitro. Compound 12k was found to be the most effective and rather selective dual-target inhibitor of EGFR and HER-2 with inhibitory constant (IC50) values of 6.15 and 9.78 nM, respectively, which was more potent than the clinical used agent Lapatinib (IC50 = 8.41 and 9.41 nM). Meanwhile, almost all compounds showed excellent antiproliferative activities against four cancer cell models (A549, NCI-H1975, SK-BR-3 and MCF-7) and low damage to healthy cells. Among them, compound 12k also exhibited the most prominent antitumor activity. Moreover, the hit compound 12k could bind to EGFR and HER-2 stably in molecular docking and dynamics studies. The following wound healing assay revealed that compound 12k could inhibit the migration of SK-BR-3 cells. Further studies found that compound 12k could arrest cell cycle in the G0/G1 phase and induce SK-BR-3 cells apoptosis. Notably, compound 12k could effectively inhibit breast cancer growth with little toxicity in the SK-BR-3 cell xenograft model. Taken together, in vitro and in vivo results disclosed that compound 12k had high drug potential as a dual-target inhibitor of EGFR/HER-2 to inhibit breast cancer growth.
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Affiliation(s)
- Shuang Hao
- School of Pharmacy, China Medical University, Shenyang 110122, PR China
| | - Jia-Hui Wang
- School of Pharmacy, China Medical University, Shenyang 110122, PR China
| | - Liang Hou
- School of Pharmacy, China Medical University, Shenyang 110122, PR China
| | - Jing-Wei Liang
- School of Pharmacy, China Medical University, Shenyang 110122, PR China; School of Pharmacy, Hainan Medical University, Haikou 571199, PR China
| | - Jing-Han Yan
- School of Pharmacy, China Medical University, Shenyang 110122, PR China
| | - Yi-Fan Niu
- School of Pharmacy, China Medical University, Shenyang 110122, PR China
| | - Xin-Yang Li
- School of Pharmacy, China Medical University, Shenyang 110122, PR China; Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang 110004, PR China
| | - Qi Sun
- School of Pharmacy, China Medical University, Shenyang 110122, PR China.
| | - Fan-Hao Meng
- School of Pharmacy, China Medical University, Shenyang 110122, PR China.
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224
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Yang W, Tian Y, Yang M, Mauck J, Loor JJ, Jia B, Wang S, Fan W, Li Z, Zhang B, Xu C. β-sitosterol alleviates high fatty acid-induced lipid accumulation in calf hepatocytes by regulating cholesterol metabolism. J Steroid Biochem Mol Biol 2024; 243:106543. [PMID: 38740074 DOI: 10.1016/j.jsbmb.2024.106543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/16/2024]
Abstract
A significant reduction in plasma concentration of cholesterol during early lactation is a common occurrence in high-yielding dairy cows. An insufficient synthesis of cholesterol in the liver has been linked to lipid accumulation caused by high concentrations of fatty acids during negative energy balance (NEB). As ruminant diets do not provide quantitative amounts of cholesterol for absorption, phytosterols such as β-sitosterol may serve to mitigate the shortfall in cholesterol within the liver during NEB. To gain mechanistic insights, primary hepatocytes were isolated from healthy female 1-day old calves for in vitro studies with or without 1.2 mM fatty acids (FA) to induce metabolic stress. Furthermore, hepatocytes were treated with 50 μM β-sitosterol with or without FA. Data were analyzed by one-way ANOVA with subsequent Bonferroni correction. Results revealed that calf hepatocytes treated with FA had greater content of non-esterified fatty acids (NEFA) and triacylglycerol (TAG), and greater mRNA and protein abundance of the lipid synthesis-related SREBF1 and FASN. In contrast, mRNA and protein of CPT1A (fatty acid oxidation) and the cholesterol metabolism-related targets SREBF2, HMGCR, ACAT2, APOA1, ABCA1 and ABCG5 was lower. Content of the antioxidant-related glutathione (GSH) and activities of superoxide dismutase (SOD) also was lower. Compared with FA challenge alone, 50 μM β-sitosterol led to greater mRNA and protein abundance of SREBF2, HMGCR, ACAT2 and ABCG5, and greater content of GSH and activity of SOD. In contrast, compared with the FA group, the mRNA and protein abundance of SREBF1 and ACC1 and the content of TAG and NEFA in the β-sitosterol + FA group were lower. Overall, β-sitosterol can promote cholesterol metabolism and reduce oxidative stress while reducing lipid accumulation in hepatocytes challenged with high concentrations of fatty acids.
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Affiliation(s)
- Wei Yang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yan Tian
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Mingmao Yang
- Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A & F University, Xianyang 712100, China
| | - John Mauck
- Mammalian Nutri Physio Genomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
| | - Juan J Loor
- Mammalian Nutri Physio Genomics, Department of Animal Sciences and Division of Nutritional Sciences, University of Illinois, Urbana, IL, United States
| | - Bin Jia
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China; Branch of Animal Husbandry and Veterinary of Heilongjiang Academy of Agricultural Sciences, Qiqihar 163005, China
| | - Shuang Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Wenwen Fan
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Zhendong Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Bingbing Zhang
- College of Life Science and Technology, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Chuang Xu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China; College of Veterinary Medicine, China Agricultural University, Beijing 100193, China.
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225
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Naseem S, Sun L, Qiu J. Stress granules in atherosclerosis: Insights and therapeutic opportunities. Curr Probl Cardiol 2024; 49:102760. [PMID: 39059785 DOI: 10.1016/j.cpcardiol.2024.102760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Atherosclerosis, a complex inflammatory and metabolic disorder, is the underlying cause of several life-threatening cardiovascular diseases. Stress granules (SG) are biomolecular condensates composed of proteins and mRNA that form in response to stress. Recent studies suggest a potential link between SG and atherosclerosis development. However, there remain gaps in understanding SG role in atherosclerosis development. Here we provide a thorough analysis of the role of SG in atherosclerosis, covering cellular stresses stimulation, core components, and regulatory genes in SG formation. Furthermore, we explore atherosclerosis induced factors such as inflammation, low or oscillatory shear stress (OSS), and oxidative stress (OS) may impact SG formation and then the development of atherosclerotic lesions. We have assessed how changes in SG dynamics impact pro-atherogenic processes like endothelial dysfunction, lipid metabolism, and immune cell recruitment in atherosclerosis. In summary, this review emphasizes the complex interplay between SG and atherosclerosis that could open innovative directions for targeted therapeutic strategies in preventing or treating atherosclerotic cardiovascular diseases.
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Affiliation(s)
- Sahar Naseem
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Lijuan Sun
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Juhui Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China.
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226
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Zhou M, Wei L, Lu R. Emerging role of sirtuins in non‑small cell lung cancer (Review). Oncol Rep 2024; 52:127. [PMID: 39092574 PMCID: PMC11304160 DOI: 10.3892/or.2024.8786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 07/15/2024] [Indexed: 08/04/2024] Open
Abstract
Non‑small cell lung cancer (NSCLC) is a highly prevalent lung malignancy characterized by insidious onset, rapid progression and advanced stage at the time of diagnosis, making radical surgery impossible. Sirtuin (SIRT) is a histone deacetylase that relies on NAD+ for its function, regulating the aging process through modifications in protein activity and stability. It is intricately linked to various processes, including glycolipid metabolism, inflammation, lifespan regulation, tumor formation and stress response. An increasing number of studies indicate that SIRTs significantly contribute to the progression of NSCLC by regulating pathophysiological processes such as energy metabolism, autophagy and apoptosis in tumor cells through the deacetylation of histones or non‑histone proteins. The present review elaborates on the roles of different SIRTs and their mechanisms in NSCLC, while also summarizing novel therapeutic agents based on SIRTs. It aims to present new ideas and a theoretical basis for NSCLC treatment.
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Affiliation(s)
- Min Zhou
- Department of Cardiothoracic Surgery, Chongqing University Central Hospital, Chongqing 400014, P.R. China
- Department of Cardiothoracic Surgery, Chongqing Emergency Medical Center, Chongqing 400014, P.R. China
| | - Lin Wei
- Department of Cardiothoracic Surgery, Chongqing University Central Hospital, Chongqing 400014, P.R. China
- Department of Cardiothoracic Surgery, Chongqing Emergency Medical Center, Chongqing 400014, P.R. China
| | - Renfu Lu
- Department of Cardiothoracic Surgery, Chongqing University Central Hospital, Chongqing 400014, P.R. China
- Department of Cardiothoracic Surgery, Chongqing Emergency Medical Center, Chongqing 400014, P.R. China
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227
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Waheed Y, Mojumdar A, Shafiq M, de Marco A, De March M. The fork remodeler helicase-like transcription factor in cancer development: all at once. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167280. [PMID: 38851303 DOI: 10.1016/j.bbadis.2024.167280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/20/2024] [Accepted: 06/02/2024] [Indexed: 06/10/2024]
Abstract
The Helicase-like Transcription Factor (HLTF) is a member of the SNF2-family of fork remodelers, primarily studied for its capacity to provide DNA Damage Tolerance (DDT) and to induce replication fork reversal (RFR). HLTF is recruited at stalled forks where both its ATPase motor and HIP116 Rad5p N-terminal (HIRAN) domains are necessary for regulating its interaction with DNA. HIRAN bestows specificity to ssDNA 3'-end and imparts branch migration as well as DNA remodeling capabilities facilitating damage repair. Both expression regulation and mutation rate affect HLTF activity. Gene hypermethylation induces loss of HLTF function, in particular in colorectal cancer (CRC), implying a tumour suppressor role. Surprisingly, a correlation between hypermethylation and HLTF mRNA upregulation has also been observed, even within the same cancer type. In many cancers, both complex mutation patterns and the presence of gene Copy Number Variations (CNVs) have been reported. These conditions affect the amount of functional HLTF and question the physiological role of this fork remodeler. This review offers a systematic collection of the presently strewed information regarding HLTF, its structural and functional characteristics, the multiple roles in DDT and the regulation in cancer progression highlighting new research perspectives.
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Affiliation(s)
- Yossma Waheed
- Department of Environmental and Biological Sciences, University of Nova Gorica, Vipaska Cesta 13, SI-5000 Nova Gorica, Slovenia; National Institute of Science and Technology, Sector H-12, Islamabad Capital Territory, Pakistan
| | - Aditya Mojumdar
- Department of Biochemistry and Microbiology, University of Victoria, BC V8W 2Y2, Victoria, Canada
| | - Mohammad Shafiq
- Department of Environmental and Biological Sciences, University of Nova Gorica, Vipaska Cesta 13, SI-5000 Nova Gorica, Slovenia
| | - Ario de Marco
- Department of Environmental and Biological Sciences, University of Nova Gorica, Vipaska Cesta 13, SI-5000 Nova Gorica, Slovenia
| | - Matteo De March
- Department of Environmental and Biological Sciences, University of Nova Gorica, Vipaska Cesta 13, SI-5000 Nova Gorica, Slovenia.
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228
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Paccez JD, Foret CLM, de Vasconcellos JF, Donaldson L, Zerbini LF. DCUN1D1 and neddylation: Potential targets for cancer therapy. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167308. [PMID: 38885797 DOI: 10.1016/j.bbadis.2024.167308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 05/10/2024] [Accepted: 06/10/2024] [Indexed: 06/20/2024]
Abstract
Cancer affects millions of people and understanding the molecular mechanisms related to disease development and progression is essential to manage the disease. Post-translational modification (PTM) processes such as ubiquitination and neddylation have a significant role in cancer development and progression by regulating protein stability, function, and interaction with other biomolecules. Both ubiquitination and neddylation are analogous processes that involves a series of enzymatic steps leading to the covalent attachment of ubiquitin or NEDD8 to target proteins. Neddylation modifies the CRL family of E3 ligase and regulates target proteins' function and stability. The DCUN1D1 protein is a regulator of protein neddylation and ubiquitination and acts promoting the neddylation of the cullin family components of E3-CRL complexes and is known to be upregulated in several types of cancers. In this review we compare the PTM ubiquitination and neddylation. Our discussion is focused on the neddylation process and the role of DCUN1D1 protein in cancer development. Furthermore, we provide describe DCUN1D1 protein and discuss its role in pathogenesis and signalling pathway in six different types of cancer. Additionally, we explore both the neddylation and DCUN1D1 pathways as potential druggable targets for therapeutic interventions. We focus our analysis on the development of compounds that target specifically neddylation or DCUN1D1. Finally, we provide a critical analysis about the challenges and perspectives in the field of DCUN1D1 and neddylation in cancer research. KEY POINTS: Neddylation is a post-translational modification that regulates target proteins' function and stability. One regulator of the neddylation process is a protein named DCUN1D1 and it is known to have its expression deregulated in several types of cancers. Here, we provide a detailed description of DCUN1D1 structure and its consequence for the development of cancer. We discuss both the neddylation and DCUN1D1 pathways as potential druggable targets for therapeutic interventions and provide a critical analysis about the challenges and perspectives in the field of DCUN1D1 and neddylation in cancer research.
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Affiliation(s)
- Juliano D Paccez
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town 7925, South Africa.
| | - Chiara L M Foret
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town 7925, South Africa; Integrative Biomedical Sciences Division, Faculty of Health Sciences, University of Cape Town, 7925 Cape Town, South Africa
| | | | - Lara Donaldson
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town 7925, South Africa
| | - Luiz F Zerbini
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town 7925, South Africa.
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229
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Liu Y, Wang X, Wang J, Jin Q, Cai W, Pan C, Nivar J, Tao Y, Cao H, Li J. ClassIIb histone deacetylase participates in perioperative neurocognitive disorders in elderly mice via HSP90/GR signaling pathway. Exp Neurol 2024; 380:114922. [PMID: 39142371 DOI: 10.1016/j.expneurol.2024.114922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/18/2024] [Accepted: 08/10/2024] [Indexed: 08/16/2024]
Abstract
OBJECTIVE Multiple factors contribute to the development of perioperative neurocognitive disorders (PND). This study was designed to investigate whether Histone Deacetylase 6 (HDAC6) was involved in the formation of postoperative cognitive dysfunction in elderly mice by regulating the degree of acetylation of heat shock protein (HSP90) and related protein functions and quantities. METHODS C57BL/6 J male mice were randomly divided into six groups: control naive (group Control), anesthesia (group Anesthesia), splenectomy surgery (group Surgery), splenectomy surgery plus dissolvent (group Vehicles), splenectomy surgery plus the inhibitor ACY-1215 (group Ricolinostat), and splenectomy surgery plus the inhibitor RU-486(group Mifepristone). After the mice were trained for Morris Water Maze (MWM) test for five days, anesthesia and operational surgery were carried out the following day. Cognitive function was assessed on the 1st, 3rd and 7th days post-surgery. The hippocampi were harvested on days 1, 3, and 7 post-surgeries for Western blots and ELISA assays. RESULTS Mice with the splenectomy surgery displayed the activation of the hypothalamic-pituitary-adrenal axis (HPA-axis), marked an increase in adrenocorticotropic hormone (ACTH), glucocorticoid, mineralocorticoid at the molecular level and impaired spatial memory in the MWM test. The hippocampus of surgical groups showed a decrease in acetylated HSP90, a rise in glucocorticoid receptor (GR)-HSP90 association, and an increase in GR phosphorylation and translocation. HDAC6 was increased after the surgical treated. Using two specific inhibitors, HDAC6 inhibitor Ricolinostat (ACY-1215) and GR inhibitor Mifepristone (RU-486), can partially mitigate the effects caused by surgical operation. CONCLUSIONS Abdominal surgery may impair hippocampal spatial memory, possibly through the HDAC6-triggered increase in the function of HSP90, consequently strengthening the negative role of steroids in cognitive function. Targeting HDAC6- HSP90/GR signaling may provide a potential avenue for the treatment of the impairment of cognitive function after surgery.
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Affiliation(s)
- Yu Liu
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xinlin Wang
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiao Wang
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qiqi Jin
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Weicha Cai
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chi Pan
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - John Nivar
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, United States
| | - Yuanxiang Tao
- Department of Anesthesiology, New Jersey Medical School, Rutgers, The State University of New Jersey, United States
| | - Hong Cao
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jun Li
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University Department of Anesthesia and Perioperative Medicine, Wenzhou, China; Zhejiang Provincial Key Laboratory of Anesthesiology, Wenzhou Medical University, Wenzhou, China; Key Laboratory of Pediatric Anesthesiology Ministry of Education, Wenzhou Medical University, Wenzhou, Zhejiang, China
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Naguib BH, Elsebaie HA, Nafie MS, Mohamady S, Albujuq NR, Samir Ayed A, Nada D, Khalil AF, Hefny SM, Tawfik HO, Shaldam MA. Fragment-based design and synthesis of coumarin-based thiazoles as dual c-MET/STAT-3 inhibitors for potential antitumor agents. Bioorg Chem 2024; 151:107682. [PMID: 39137597 DOI: 10.1016/j.bioorg.2024.107682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2024] [Revised: 07/19/2024] [Accepted: 07/27/2024] [Indexed: 08/15/2024]
Abstract
c-MET and STAT-3 are significant targets for cancer treatments. Here, we describe a class of very effective dual STAT-3 and c-MET inhibitors with coumarin-based thiazoles (3a-o) as its scaffold. Spectroscopic evidence (NMR, HRMS, and HPLC) validated the structural discoveries of the new compounds. The cytotoxic activity of these compounds was also tested against a panel of cancer cells in accordance with US-NCI guidelines. Compound 3g proved to be active at 10 µM, thus it was automatically scheduled to be tested at five doses. Towards SNB-75 (CNS cancer cell line), compound 3g showed notable in vitro anti-cancer activity with GI50 = 1.43 μM. For the molecular targets, compound 3g displayed potent activity towards STAT-3 and c-MET having IC50 of 4.7 µM and 12.67, respectively, compared to Cabozantinib (IC50 = 15 nM of c-MET) and STAT-3-IN-3 (IC50 = 2.1 µM of STAT-3). Moreover, compound 3g significantly induced apoptosis in SNB-75 cells, causing a 3.04-fold increase in apoptotic cell death (treated cells exhibited 11.53 % overall apoptosis, against 3.04 % in reference cells) and a 3.58-fold increase in necrosis. Moreover, it arrests cells at the G2 phase. Dual inhibition of c-MET and STAT-3 protein kinase was further validated using RT-PCR. The target compound's binding mechanism was determined by the application of molecular docking.
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Affiliation(s)
- Bassem H Naguib
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, Cairo 11837, Egypt
| | - Heba A Elsebaie
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Mohamed S Nafie
- Department of Chemistry, College of Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates; Chemistry Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Samy Mohamady
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, Cairo 11837, Egypt; The Center for Drug Research and Development (CDRD), Faculty of Pharmacy, The British University in Egypt, El-Sherouk City, Cairo 11837, Egypt
| | - Nader R Albujuq
- Department of Chemistry, School of Science, The University of Jordan, Amman 11942, Jordan
| | - Aya Samir Ayed
- Zoology Department, Faculty of Science, Suez Canal University, P.O. 41522, Ismailia, Egypt
| | - Dina Nada
- Pharmacology and Biochemistry Department, Faculty of Pharmacy, The British University, Egypt
| | - Ahmed F Khalil
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Salma M Hefny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Haytham O Tawfik
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt.
| | - Moataz A Shaldam
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, P.O. Box 33516, Kafrelsheikh, Egypt
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231
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Xu L, Chen XJ, Yan Q, Lei XT, Liu HL, Xu JP, Shang WT, Huang JL, Chen ZT, Tan XL, Lin HJ, Fu XH, Zheng LS, Lan P, Huang Y. Zinc finger protein 180 induces an apoptotic phenotype by activating METTL14 transcriptional activity in colorectal cancer. Oncol Rep 2024; 52:125. [PMID: 39054954 PMCID: PMC11294910 DOI: 10.3892/or.2024.8784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 07/04/2024] [Indexed: 07/27/2024] Open
Abstract
Zinc finger protein 180 (ZNF180) is a multifunctional protein that interacts with nucleic acids and regulates various cellular processes; however, the function of ZNF180 in colorectal cancer (CRC) remains unclear. The present study investigated the role and function of ZNF180 in CRC, and aimed to reveal the underlying molecular mechanism. The results revealed that ZNF180 was downregulated in CRC tissues and was associated with a good prognosis in patients with CRC. Additionally, the expression of ZNF180 was downregulated by methylation in CRC. In vivo and in vitro experiments revealed that ZNF180 overexpression was functionally associated with the inhibition of cell proliferation and the induction of apoptosis. Mechanistically, chromatin immunoprecipitation‑PCR and luciferase assays demonstrated that ZNF180 markedly regulated the transcriptional activity of methyltransferase 14, N6‑adenosine‑methyltransferase non‑catalytic subunit (METTL14) by directly binding to and activating its promoter region. Simultaneous overexpression of ZNF180 and knockdown of METTL14 indicated that the reduction of METTL14 could suppress the effects of ZNF180 on the induction of apoptosis. Clinically, the present study observed a significant positive correlation between ZNF180 and METTL14 expression levels, and low expression of ZNF180 and METTL14 predicted a poor prognosis in CRC. Overall, these findings revealed a novel mechanism by which the ZNF180/METTL14 axis may modulate apoptosis and cell proliferation in CRC. This evidence suggests that this axis may serve as a prognostic biomarker and therapeutic target in patients with CRC.
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Affiliation(s)
- Liang Xu
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Xi-Jie Chen
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- Department of Gastrointestinal Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Qian Yan
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Xin-Tao Lei
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Hai-Ling Liu
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Jing-Ping Xu
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Wei-Te Shang
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Jing-Lin Huang
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Zhi-Ting Chen
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Xiao-Li Tan
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Han-Jie Lin
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Xin-Hui Fu
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
| | - Li-Sheng Zheng
- Department of Pathology, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong 510080, P.R. China
| | - Ping Lan
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, Guangdong Institute of Gastroenterology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- Department of General Surgery (Colorectal Surgery), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- State Key Laboratory of Oncology in South China, Guangzhou, Guangdong 510655, P.R. China
| | - Yan Huang
- Department of Pathology, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510655, P.R. China
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232
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Machado CM, de-Souza-Ferreira E, Silva GFS, Pimentel FSA, De-Souza EA, Silva-Rodrigues T, Gandara ACP, Zeidler JD, Fernandes-Siqueira LO, De-Queiroz ALFV, Andrade-Silva L, Victória-Martins K, Fernandes-Carvalho C, Chini EN, Passos JF, Da Poian AT, Montero-Lomelí M, Galina A, Masuda CA. Galactose-1-phosphate inhibits cytochrome c oxidase and causes mitochondrial dysfunction in classic galactosemia. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167340. [PMID: 38986816 DOI: 10.1016/j.bbadis.2024.167340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/05/2024] [Accepted: 07/05/2024] [Indexed: 07/12/2024]
Abstract
Classic galactosemia is an inborn error of metabolism caused by mutations in the GALT gene resulting in the diminished activity of the galactose-1-phosphate uridyltransferase enzyme. This reduced GALT activity leads to the buildup of the toxic intermediate galactose-1-phosphate and a decrease in ATP levels upon exposure to galactose. In this work, we focused our attention on mitochondrial oxidative phosphorylation in the context of this metabolic disorder. We observed that galactose-1-phosphate accumulation reduced respiratory rates in vivo and changed mitochondrial function and morphology in yeast models of galactosemia. These alterations are harmful to yeast cells since the mitochondrial retrograde response is activated as part of the cellular adaptation to galactose toxicity. In addition, we found that galactose-1-phosphate directly impairs cytochrome c oxidase activity of mitochondrial preparations derived from yeast, rat liver, and human cell lines. These results highlight the evolutionary conservation of this biochemical effect. Finally, we discovered that two compounds - oleic acid and dihydrolipoic acid - that can improve the growth of cell models of mitochondrial diseases, were also able to improve galactose tolerance in this model of galactosemia. These results reveal a new molecular mechanism relevant to the pathophysiology of classic galactosemia - galactose-1-phosphate-dependent mitochondrial dysfunction - and suggest that therapies designed to treat mitochondrial diseases may be repurposed to treat galactosemia.
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Affiliation(s)
- Caio M Machado
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Eduardo de-Souza-Ferreira
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Guilherme F S Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Felipe S A Pimentel
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Evandro A De-Souza
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Thaia Silva-Rodrigues
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Ana C P Gandara
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Julianna D Zeidler
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil; Signal Transduction and Molecular Nutrition Laboratory, Kogod Aging Center, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
| | - Lorena O Fernandes-Siqueira
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Ana Luiza F V De-Queiroz
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Letícia Andrade-Silva
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Klara Victória-Martins
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Clara Fernandes-Carvalho
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Eduardo N Chini
- Signal Transduction and Molecular Nutrition Laboratory, Kogod Aging Center, Department of Anesthesiology and Perioperative Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA; Department of Anesthesiology and Perioperative Medicine Mayo Clinic, Jacksonville, FL 32224, USA
| | - João F Passos
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Andrea T Da Poian
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Mónica Montero-Lomelí
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Antonio Galina
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Bioquímica e Biofísica Celular, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil
| | - Claudio A Masuda
- Instituto de Bioquímica Médica Leopoldo de Meis, Programa de Biologia Molecular e Biotecnologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil.
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Anderton E, Chamoli M, Bhaumik D, King CD, Xie X, Foulger A, Andersen JK, Schilling B, Lithgow GJ. Amyloid β accelerates age-related proteome-wide protein insolubility. GeroScience 2024; 46:4585-4602. [PMID: 38753231 PMCID: PMC11335993 DOI: 10.1007/s11357-024-01169-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 04/15/2024] [Indexed: 05/25/2024] Open
Abstract
Loss of proteostasis is a highly conserved feature of aging across model organisms and results in the accumulation of insoluble protein aggregates. Protein insolubility is also a unifying feature of major age-related neurodegenerative diseases, including Alzheimer's Disease (AD), in which hundreds of insoluble proteins associate with aggregated amyloid beta (Aβ) in senile plaques. Despite the connection between aging and AD risk, therapeutic approaches to date have overlooked aging-driven generalized protein insolubility as a contributing factor. However, proteins that become insoluble during aging in model organisms are capable of accelerating Aβ aggregation in vitro and lifespan in vivo. Here, using an unbiased proteomics approach, we questioned the relationship between Aβ and age-related protein insolubility. Specifically, we uncovered that Aβ expression drives proteome-wide protein insolubility in C. elegans, even in young animals, and this insoluble proteome is highly similar to the insoluble proteome driven by normal aging, this vulnerable sub-proteome we term the core insoluble proteome (CIP). We show that the CIP is enriched with proteins that modify Aβ toxicity in vivo, suggesting the possibility of a vicious feedforward cycle in the context of AD. Importantly, using human genome-wide association studies (GWAS), we show that the CIP is replete with biological processes implicated not only in neurodegenerative diseases but also across a broad array of chronic, age-related diseases (CARDs). This provides suggestive evidence that age-related loss of proteostasis could play a role in general CARD risk. Finally, we show that the geroprotective, gut-derived metabolite, Urolithin A, relieves Aβ toxicity, supporting its use in clinical trials for dementia and age-related diseases.
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Affiliation(s)
- Edward Anderton
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA.
- USC Leonard Davis School of Gerontology, University of Southern California, 3715 McClintock Ave, Los Angeles, CA, 90191, USA.
| | - Manish Chamoli
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA.
| | - Dipa Bhaumik
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA
| | - Christina D King
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA
| | - Xueshu Xie
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA
| | - Anna Foulger
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA
| | - Julie K Andersen
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA
| | - Birgit Schilling
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA.
| | - Gordon J Lithgow
- The Buck Institute for Research On Aging, 8001 Redwood Blvd, Novato, CA, 94945, USA.
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234
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Jiang Z, He Q, Wezeman J, Darvas M, Ladiges W. A cocktail of rapamycin, acarbose, and phenylbutyrate prevents age-related cognitive decline in mice by targeting multiple aging pathways. GeroScience 2024; 46:4855-4868. [PMID: 38755466 PMCID: PMC11336069 DOI: 10.1007/s11357-024-01198-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024] Open
Abstract
Aging is a primary risk factor for cognitive impairment and exacerbates multiple biological processes in the brain, including but not limited to nutrient sensing, insulin signaling, and histone deacetylation activity. Therefore, a pharmaceutical intervention of aging that targets distinct but overlapping pathways provides a basis for testing combinations of drugs as a cocktail. Our previous study showed that middle-aged mice treated with a cocktail of rapamycin, acarbose, and phenylbutyrate for 3 months had increased resilience to age-related cognitive decline. This finding provided the rationale to investigate the transcriptomic and molecular changes within the brains of mice that received this cocktail treatment or control treatment. Transcriptomic profiles were generated through ribonucleic acid (RNA) sequencing, and pathway analysis was performed by gene set enrichment analysis to evaluate the overall RNA message effect of the drug cocktail. Molecular endpoints representing aging pathways were measured using immunohistochemistry to further validate the attenuation of brain aging in the hippocampus of mice that received the cocktail treatment, each individual drug or control. Results showed that biological processes that enhance aging were suppressed, with an increased trend of autophagy in the brains of mice given the drug cocktail. The molecular endpoint assessments indicated that treatment with the drug cocktail was overall more effective than any of the individual drugs for relieving cognitive impairment by targeting multiple aging pathways.
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Affiliation(s)
- Zhou Jiang
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA
| | - Qianpei He
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA
| | - Jackson Wezeman
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA
| | - Martin Darvas
- Department of Laboratory Medicine and Pathology, School of Medicine, University of Washington, Seattle, WA, USA
| | - Warren Ladiges
- Department of Comparative Medicine, School of Medicine, University of Washington, Seattle, WA, USA.
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235
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Patnaik PK, Nady N, Barlit H, Gülhan A, Labunskyy VM. Lifespan regulation by targeting heme signaling in yeast. GeroScience 2024; 46:5235-5245. [PMID: 38809391 PMCID: PMC11335709 DOI: 10.1007/s11357-024-01218-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 05/21/2024] [Indexed: 05/30/2024] Open
Abstract
Heme is an essential prosthetic group that serves as a co-factor and a signaling molecule. Heme levels decline with age, and its deficiency is associated with multiple hallmarks of aging, including anemia, mitochondrial dysfunction, and oxidative stress. Dysregulation of heme homeostasis has been also implicated in aging in model organisms suggesting that heme may play an evolutionarily conserved role in controlling lifespan. However, the underlying mechanisms and whether heme homeostasis can be targeted to promote healthy aging remain unclear. Here, we used Saccharomyces cerevisiae as a model to investigate the role of heme in aging. For this, we have engineered a heme auxotrophic yeast strain expressing a plasma membrane-bound heme permease from Caenorhabditis elegans (ceHRG-4). This system can be used to control intracellular heme levels independently of the biosynthetic enzymes by manipulating heme concentration in the media. We observed that heme supplementation leads to a significant extension of yeast replicative lifespan. Our findings revealed that the effect of heme on lifespan is independent of the Hap4 transcription factor. Surprisingly, heme-supplemented cells had impaired growth on YPG medium, which requires mitochondrial respiration to be used, suggesting that these cells are respiratory deficient. Together, our results demonstrate that heme homeostasis is fundamentally important for aging biology, and manipulating heme levels can be used as a promising therapeutic target for promoting longevity.
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Affiliation(s)
- Praveen K Patnaik
- Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA
| | - Nour Nady
- Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA
| | - Hanna Barlit
- Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA
| | - Ali Gülhan
- Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA
| | - Vyacheslav M Labunskyy
- Department of Dermatology, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA.
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Kawamura A, Ito A, Takahashi A, Sawamoto A, Okuyama S, Nakajima M. Benproperine reduces IL-6 levels via Akt signaling in monocyte/macrophage-lineage cells and reduces the mortality of mouse sepsis model induced by lipopolysaccharide. J Pharmacol Sci 2024; 156:125-133. [PMID: 39179331 DOI: 10.1016/j.jphs.2024.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2024] [Revised: 07/18/2024] [Accepted: 08/01/2024] [Indexed: 08/26/2024] Open
Abstract
Benproperine (BNP) is a nonnarcotic antitussive drug that is used to treat bronchitis. In the present study, we examined the anti-inflammatory effects of BNP in vitro and in vivo. BNP was found to reduce the secretion of pro-inflammatory cytokines, such as interleukin (IL)-6, in lipopolysaccharide (LPS)-treated RAW264.7 monocyte/macrophage-lineage cells in vitro. As IL-6 is a biomarker for sepsis and has been suggested to exacerbate symptoms, we used an animal model to determine whether BNP reduces IL-6 levels in vivo and improves sepsis symptoms. Notably, BNP reduced IL-6 levels in the lungs of LPS-treated mice and improved LPS-induced hypothermia, one of the symptoms of sepsis. BNP reduced the mortality of septic mice administered a lethal dose of LPS. To reveal the mechanisms underlying the anti-inflammatory function of BNP, we assessed intracellular signaling in LPS-treated RAW264.7 cells. BNP induced the phosphorylation of protein kinase B (Akt) in RAW264.7 cells with/without LPS treatment. Wortmannin, an inhibitor of phosphoinositide 3-kinase reduced the phosphorylation levels of Akt. Wortmannin also obstructed the reduction of IL-6 secretion caused by BNP. Altogether, BNP was found to exhibit an anti-inflammatory function via Akt signaling. Therefore, BNP could be a drug candidate for inflammatory diseases, including sepsis.
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Affiliation(s)
- Ayumi Kawamura
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan
| | - Akane Ito
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan
| | - Ayaka Takahashi
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan
| | - Atsushi Sawamoto
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan
| | - Satoshi Okuyama
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan
| | - Mitsunari Nakajima
- Department of Pharmaceutical Pharmacology, College of Pharmaceutical Sciences, Matsuyama University, 4-2 Bunkyo-cho, Matsuyama, Ehime, 790-8578, Japan.
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237
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Zhao H, Mou Q, Wang F, Du ZQ, Yang CX. Profile of key metabolites and identification of HMGCS1-DHEA pathway in porcine Sertoli cells treated by Vitamin C. J Steroid Biochem Mol Biol 2024; 243:106580. [PMID: 38997072 DOI: 10.1016/j.jsbmb.2024.106580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 07/03/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Vitamin C (Ascorbic acid, AA), as vital micro-nutrient, plays an essential role for male animal reproduction. Previously, we showed that vitamin C reprogrammed the transcriptome and proteome to change phenotypes of porcine immature Sertoli cells (iSCs). Here, we used LC-MS-based non-targeted metabolomics to further investigate the metabolic effects of vitamin C on porcine iSCs. The results identified 43 significantly differential metabolites (DMs) (16 up and 27 down) as induced by vitamin C (L-ascorbic acid 2-phosphate sesquimagnesium salt hydrate, AA2P) treatment of porcine iSCs, which were mainly enriched in steroid related and protein related metabolic pathways. ELISA (Enzyme-Linked ImmunoSorbent Assay) showed that significantly differential metabolites of Dehydroepiandrosterone (DHEA) (involved in steroid hormone biosynthesis) and Desmosterol (involved in steroid degradation) were significantly increased, which were partially consistent with metabolomic results. Further integrative analysis of metabolomics, transcriptomics and proteomics data identified the strong correlation between the key differential metabolite of Dehydroepiandrosterone and 6 differentially expressed genes (DEGs)/proteins (DEPs) (HMGCS1, P4HA1, STON2, LOXL2, EMILIN2 and CCN3). Further experiments validated that HMGCS1 could positively regulate Dehydroepiandrosterone level. These data indicate that vitamin C could modulate the metabolism profile, and HMGCS1-DHEA could be the pathway to mediate effects exerted by vitamin C on porcine iSCs.
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Affiliation(s)
- Han Zhao
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei 434025, China
| | - Qiao Mou
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei 434025, China
| | - Fang Wang
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei 434025, China
| | - Zhi-Qiang Du
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei 434025, China.
| | - Cai-Xia Yang
- College of Animal Science and Technology, Yangtze University, Jingzhou, Hubei 434025, China.
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238
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Gervason S, Sen S, Fontecave M, Golinelli-Pimpaneau B. [4Fe-4S]-dependent enzymes in non-redox tRNA thiolation. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119807. [PMID: 39106920 DOI: 10.1016/j.bbamcr.2024.119807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 07/23/2024] [Accepted: 07/26/2024] [Indexed: 08/09/2024]
Abstract
Post-transcriptional modification of nucleosides in transfer RNAs (tRNAs) is an important process for accurate and efficient translation of the genetic information during protein synthesis in all domains of life. In particular, specific enzymes catalyze the biosynthesis of sulfur-containing nucleosides, such as the derivatives of 2-thiouridine (s2U), 4-thiouridine (s4U), 2-thiocytidine (s2C), and 2-methylthioadenosine (ms2A), within tRNAs. Whereas the mechanism that has prevailed for decades involved persulfide chemistry, more and more tRNA thiolation enzymes have now been shown to contain a [4Fe-4S] cluster. This review summarizes the information over the last ten years concerning the biochemical, spectroscopic and structural characterization of [4Fe-4S]-dependent non-redox tRNA thiolation enzymes.
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Affiliation(s)
- Sylvain Gervason
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Sorbonne Université, 11 Place Marcelin Berthelot, 75231, Paris cedex 05, France
| | - Sambuddha Sen
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Sorbonne Université, 11 Place Marcelin Berthelot, 75231, Paris cedex 05, France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Sorbonne Université, 11 Place Marcelin Berthelot, 75231, Paris cedex 05, France
| | - Béatrice Golinelli-Pimpaneau
- Laboratoire de Chimie des Processus Biologiques, UMR 8229 CNRS, Collège de France, Sorbonne Université, 11 Place Marcelin Berthelot, 75231, Paris cedex 05, France.
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239
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Zhou Y, Yu H, Zhang D, Wang Z, Li Q, An X, Zhang S, Li Z. Imprinted lncRNA KCNQ1OT1 regulates CDKN1C expression through promoter binding and chromatin folding in pigs. Gene 2024; 923:148590. [PMID: 38772516 DOI: 10.1016/j.gene.2024.148590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 05/07/2024] [Accepted: 05/17/2024] [Indexed: 05/23/2024]
Abstract
Long noncoding RNAs (lncRNAs) are implicated in a number of regulatory functions in eukaryotic genomes. In humans, KCNQ1OT1 is a 91 kb imprinted lncRNA that inhibits multiple surrounding genes in cis. Among them, CDKN1C is closely related to KCNQ1OT1 and is involved in multiple epigenetic disorders. Here, we found that pigs also had a relatively conserved paternal allele expressing KCNQ1OT1 and had a shorter 5' end (∼27 kb) compared to human KCNQ1OT1. Knockdown of KCNQ1OT1 using antisense oligonucleotides (ASO) showed that upregulation of CDKN1C expression in pigs. However, porcine KCNQ1OT1 did not affect the DNA methylation status of the CpG islands in the promoters of KCNQ1OT1 and CDKN1C. Inhibition of DNA methyltransferase using Decitabine treatment resulted in a significant increase in both KCNQ1OT1 and CDKN1C expression, suggesting that the regulation between KCNQ1OT1 and CDKN1C may not be dependent on RNA interference. Further use of chromosome conformation capture and reverse transcription-associated trap detection in the region where CDKN1C was located revealed that KCNQ1OT1 bound to the CDKN1C promoter and affected chromosome folding. Phenotypically, inhibition of KCNQ1OT1 at the cumulus-oocyte complex promoted cumulus cell transformation, and to upregulated the expression of ALPL at the early stage of osteogenic differentiation of porcine bone marrow mesenchymal stem cells. Our results confirm that the expression of KCNQ1OT1 imprinting in pigs as well as porcine KCNQ1OT1 regulates the expression of CDKN1C through direct promoter binding and chromatin folding alteration. And this regulatory mechanism played an important role in cell differentiation.
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Affiliation(s)
- Yongfeng Zhou
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
| | - Hao Yu
- College of Animal Science, Jilin University, Changchun, China
| | - Daoyu Zhang
- Genetic Diagnosis Center, The First Hospital of Jilin University, Changchun, China
| | - Zhengzhu Wang
- Shenzhen University Affiliated South China Hospital, Shenzhen, China
| | - Qi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
| | - Xinglan An
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
| | - Sheng Zhang
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China
| | - Ziyi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, China.
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240
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Yao D, Li S, You M, Chen Y, Yan S, Li B, Wang Y. Developmental exposure to nonylphenol leads to depletion of the neural precursor cell pool in the hippocampal dentate gyrus. Chem Biol Interact 2024; 401:111187. [PMID: 39111523 DOI: 10.1016/j.cbi.2024.111187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 07/24/2024] [Accepted: 08/04/2024] [Indexed: 08/10/2024]
Abstract
Developmental exposure to nonylphenol (NP) results in irreversible impairments of the central nervous system (CNS). The neural precursor cell (NPC) pool located in the subgranular zone (SGZ), a substructure of the hippocampal dentate gyrus, is critical for the development of hippocampal circuits and some hippocampal functions such as learning and memory. However, the effects of developmental exposure to NP on this pool remain unclear. Thus, our aim was to clarify the impacts of developmental exposure to NP on this pool and to explore the potential mechanisms. Animal models of developmental exposure to NP were created by treating Wistar rats with NP during pregnancy and lactation. Our data showed that developmental exposure to NP decreased Sox2-and Ki67-positive cells in the SGZ of offspring. Inhibited activation of Shh signaling and decreased levels of its downstream mediators, E2F1 and cyclins, were also observed in pups developmentally exposed to NP. Moreover, we established the in vitro model in the NE-4C cells, a neural precursor cell line, to further investigate the effect of NP exposure on NPCs and the underlying mechanisms. Purmorphamine, a small purine-derived hedgehog agonist, was used to specifically modulate the Shh signaling. Consistent with the in vivo results, exposure to NP reduced cell proliferation by inhibiting the Shh signaling in NE-4C cells, and purmorphamine alleviated this reduction in cell proliferation by restoring this signaling. Altogether, our findings support the idea that developmental exposure to NP leads to inhibition of the NPC proliferation and the NPC pool depletion in the SGZ located in the dentate gyrus. Furthermore, we also provided the evidence that suppressed activation of Shh signaling may contribute to the effects of developmental exposure to NP on the NPC pool.
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Affiliation(s)
- Dianqi Yao
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning, PR China; Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Siyao Li
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning, PR China; Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Mingdan You
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China; School of Public Health, Guizhou Medical University, Guiyang, Guizhou, PR China
| | - Yin Chen
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Siyu Yan
- Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China
| | - Bing Li
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning, PR China; Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China.
| | - Yi Wang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention (China Medical University), Ministry of Education, Shenyang, Liaoning, PR China; Department of Occupational and Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning, PR China.
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241
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Niu M, Whang H, Wu Z, Jiang S, Chen L. Deletion of Asb15b gene can lead to a significant decrease in zebrafish intermuscular bone. Gene 2024; 923:148561. [PMID: 38754570 DOI: 10.1016/j.gene.2024.148561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/01/2024] [Accepted: 05/13/2024] [Indexed: 05/18/2024]
Abstract
Intermuscular bones, which are present in numerous economically significant fish species, have a negative impact on the development of aquaculture. The Asb15b gene, primarily expressed in skeletal muscle, plays a crucial role in regulating protein turnover and the development of muscle fibers. It stimulates protein synthesis and controls the differentiation of muscle fibers. In this study, we employed CRISPR/Cas9 technology to generate homozygous zebrafish strains with 7 bp and 49 bp deletions in the Asb15b gene. Subsequent analyses using skeleton staining demonstrated a substantial reduction in the number of intermuscular bones in adult Asb15b-/- -7 bp and Asb15b-/- -49 bp mutants compared to the wild-type zebrafish, with decreases of 30 % (P < 0.001) and 40 % (P < 0.0001), respectively. Histological experiments further revealed that the diameter and number of muscle fibers in adult Asb15b-/- mutants did not exhibit significant changes when compared to wild-type zebrafish. Moreover, qRT-PCR experiments demonstrated significant differences in the expression of bmp6 and runx2b genes, which are key regulators of intermuscular bone development, during different stages of intermuscular bone development in Asb15b-/- mutants. This study strongly suggests that the Asb15b gene plays a crucial role in regulating intermuscular bone development in fish and lays the groundwork for further exploration of the role of the Asb15b gene in zebrafish intermuscular bone development.
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Affiliation(s)
- Minghui Niu
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Fishery Germplasm Resources Exploration and Utilization, Ministry of Education, Shanghai 201306, China
| | - Huamin Whang
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Fishery Germplasm Resources Exploration and Utilization, Ministry of Education, Shanghai 201306, China
| | - Zhichao Wu
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Fishery Germplasm Resources Exploration and Utilization, Ministry of Education, Shanghai 201306, China
| | - Shouwen Jiang
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Fishery Germplasm Resources Exploration and Utilization, Ministry of Education, Shanghai 201306, China
| | - Liangbiao Chen
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai 201306, China; Key Laboratory of Fishery Germplasm Resources Exploration and Utilization, Ministry of Education, Shanghai 201306, China.
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242
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Kim WJ, Basit A, Lee JH. USP11 modulates mitotic progression and senescence by regulating the p53-p21 axis through MDM2 deubiquitination. Biochem Biophys Res Commun 2024; 726:150275. [PMID: 38901057 DOI: 10.1016/j.bbrc.2024.150275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Accepted: 06/17/2024] [Indexed: 06/22/2024]
Abstract
USP11 is overexpressed in colorectal cancer (CRC) and breast cancer tissues compared to normal tissues, suggesting a role in promoting cell proliferation and inhibiting cell death. In this study, we observed that depleting USP11 inhibits cell proliferation and delays cell cycle progression. This depletion leads to increased p53 protein levels due to an extended half-life, resulting in elevated p21 mRNA levels in a p53-dependent manner. The rise in p53 protein upon USP11 depletion is linked to a reduced half-life of MDM2, a known E3 ligase for p53, via enhanced polyubiquitination of MDM2. These findings indicate that USP11 might act as a deubiquitinase for MDM2, regulating the MDM2-p53-p21 axis. Additionally, USP11 depletion promotes the induction of senescent cells in a manner dependent on its deubiquitinase activity. Our findings provide insights into the physiological significance of high USP11 expression in primary tumors and its reduction in senescent cells, highlighting its potential as a therapeutic target.
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Affiliation(s)
- Won-Joo Kim
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, 443-721, South Korea; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon, 443-721, South Korea
| | - Abdul Basit
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, 443-721, South Korea; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon, 443-721, South Korea
| | - Jae-Ho Lee
- Department of Biochemistry and Molecular Biology, Ajou University School of Medicine, Suwon, 443-721, South Korea; Department of Biomedical Sciences, The Graduate School, Ajou University, Suwon, 443-721, South Korea.
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243
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Lee SH, Rinaudo PF. Metabolic regulation of preimplantation embryo development in vivo and in vitro: Molecular mechanisms and insights. Biochem Biophys Res Commun 2024; 726:150256. [PMID: 38909536 DOI: 10.1016/j.bbrc.2024.150256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/07/2024] [Accepted: 06/10/2024] [Indexed: 06/25/2024]
Abstract
Understanding of embryonic development has led to the clinical application of Assisted Reproductive technologies (ART), with the resulting birth of millions of children. Recent developments in metabolomics, proteomics, and transcriptomics have brought to light new insights into embryonic growth dynamics, with implications spanning reproductive medicine, stem cell research, and regenerative medicine. The review explores the key metabolic processes and molecular pathways active during preimplantation embryo development, including PI3K-Akt, mTOR, AMPK, Wnt/β-catenin, TGF-β, Notch and Jak-Stat signaling pathways. We focused on analyzing the differences occurring in vitro as opposed to in vivo development and we discussed significant physiological and clinical implications.
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Affiliation(s)
- Seok Hee Lee
- Center for Reproductive Sciences, Department of Obstetrics and Gynecology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Paolo F Rinaudo
- Center for Reproductive Sciences, Department of Obstetrics and Gynecology, University of California San Francisco, San Francisco, CA, 94143, USA.
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244
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Kodaka M, Kikuchi A, Kawahira K, Kamada H, Katsuta R, Ishigami K, Suzuki T, Yamamoto Y, Inoue J. Identification of a novel target of sulforaphane: Sulforaphane binds to acyl-protein thioesterase 2 (APT2) and attenuates its palmitoylation. Biochem Biophys Res Commun 2024; 726:150244. [PMID: 38905785 DOI: 10.1016/j.bbrc.2024.150244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 05/30/2024] [Accepted: 06/06/2024] [Indexed: 06/23/2024]
Abstract
Sulforaphane (SFaN) is a food-derived compound with several bioactive properties, including atherosclerosis, diabetes, and obesity treatment. However, the mechanisms by which SFaN exerts its various effects are still unclear. To elucidate the mechanisms of the various effects of SFaN, we explored novel SFaN-binding proteins using SFaN beads and identified acyl protein thioesterase 2 (APT2). We also found that SFaN binds to the APT2 via C56 residue and attenuates the palmitoylation of APT2, thereby reducing plasma membrane localization of APT2. This study reveals a novel bioactivity of SFaN as a regulator of APT2 protein palmitoylation.
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Affiliation(s)
- Manami Kodaka
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
| | - Akito Kikuchi
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
| | - Kotaro Kawahira
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
| | - Haruhiko Kamada
- Laboratory of Biopharmaceutical Research, National Institutes of Biomedical Innovation, Health and Nutrition, Osaka, Japan.
| | - Ryo Katsuta
- Department of Chemistry for Life Sciences and Agriculture, Tokyo University of Agriculture, Tokyo, Japan.
| | - Ken Ishigami
- Department of Chemistry for Life Sciences and Agriculture, Tokyo University of Agriculture, Tokyo, Japan.
| | - Tsukasa Suzuki
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
| | - Yuji Yamamoto
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
| | - Jun Inoue
- Department of Agricultural Chemistry, Faculty of Applied Biosciences, Tokyo University of Agriculture, Tokyo, Japan.
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245
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He Q, Wang S, Chen S, Chen J. Juvenile hormone signal transducer hairy inhibits Krüppel homolog1 expression. Biochem Biophys Res Commun 2024; 726:150276. [PMID: 38908347 DOI: 10.1016/j.bbrc.2024.150276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Accepted: 06/17/2024] [Indexed: 06/24/2024]
Abstract
Hairy and Krüppel homolog 1 (Kr-h1) are transcriptional repressors that act synergistically to mediate the gene-repressive action of juvenile hormone (JH). However, whether a regulatory relationship exists between Hairy and Kr-h1 remains unclear. In this study, an inhibitory effect of Hairy on Kr-h1 expression was found. Genetic studies in Drosophila have shown that the simultaneous overexpression of Hairy and Kr-h1 can rescue the defective phenotypes caused by the overexpression of a single factor. Reduced expression of Kr-h1 was observed in Hairy-overexpressing flies and cells, whereas the expression levels of Hairy were unaffected in cells with ectopic expression of Kr-h1. The inhibitory effect of Hairy on Kr-h1 expression was found to occur at the transcriptional level, as Hairy bound directly to the B-box within the Kr-h1 promoter via the bHLH motif and recruited the corepressors C-terminal binding protein (CtBP) and Groucho (Gro) through the PLSLV and WRPW motifs, respectively. Our findings revealed a regulatory relationship between two JH response factors, which advances our understanding of the molecular mechanism of JH signaling.
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Affiliation(s)
- Qianyu He
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, China.
| | - Shunxin Wang
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Shanshan Chen
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Jinxia Chen
- College of Life Science and Biotechnology, Heilongjiang Bayi Agricultural University, Daqing, China
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Rode S, Kaur H, Rani R, Lonare S, Sharma M, Tomar S, Kumar P, Roy P, Sharma AK. Deciphering the drug delivery potential of Type1 lipid transfer protein from Citrus sinensis for enhancing the therapeutic efficacy of drugs. Biochem Biophys Res Commun 2024; 725:150253. [PMID: 38880080 DOI: 10.1016/j.bbrc.2024.150253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/24/2024] [Accepted: 06/10/2024] [Indexed: 06/18/2024]
Abstract
Type1 Non-specific Lipid Transfer Protein (CsLTP1) from Citrus sinensis is a small cationic protein possessing a long tunnel-like hydrophobic cavity. CsLTP1 performing membrane trafficking of lipids is a promising candidate for developing a potent drug delivery system. The present work includes in-silico studies and the evaluation of drugs binding to CsLTP1 using biophysical techniques along with the investigation of CsLTP1's ability to enhance the efficacy of drugs employing cell-based bioassays. The in-silico investigations identified Panobinostat, Vorinostat, Cetylpyridinium Chloride, and Fulvestrant with higher affinities and stability of binding to the hydrophobic pocket of CsLTP1. SPR studies revealed strong binding affinities of anticancer drugs, Panobinostat (KD = 1.40 μM) and Vorinostat (KD = 2.17 μM) to CsLTP1 along with the binding and release kinetics. CD and fluorescent spectroscopy revealed drug-induced conformational changes in CsLTP1. CsLTP1-associated drug forms showed remarkably enhanced efficacy in MCF-7 cells, representing increased cell cytotoxicity, intracellular ROS, reduced mitochondrial membrane potential, and up-regulation of proapoptotic markers than the free drugs employing qRT-PCR and western blot analysis. The findings demonstrate that CsLTP1 binds strongly to hydrophobic drugs to facilitate their transport, hence improving their therapeutic efficacy revealed by the in-vitro investigations. This study establishes an excellent foundation for developing CsLTP1-based efficient drug delivery system.
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Affiliation(s)
- Surabhi Rode
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Harry Kaur
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Ruchi Rani
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Sapna Lonare
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Monica Sharma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Shailly Tomar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Pravindra Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Partha Roy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667
| | - Ashwani Kumar Sharma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, India, 247667.
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247
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Yokoi A, Asahara SI, Inoue H, Seike M, Kido N, Suzuki H, Kanno A, Kimura-Koyanagi M, Kido Y, Ogawa W. Dapagliflozin administration to a mouse model of type 2 diabetes induces DNA methylation and gene expression changes in pancreatic islets. Biochem Biophys Res Commun 2024; 725:150254. [PMID: 38901223 DOI: 10.1016/j.bbrc.2024.150254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 06/22/2024]
Abstract
Decreased pancreatic β-cell volume is a serious problem in patients with type 2 diabetes mellitus, and there is a need to establish appropriate treatments. Increasingly, sodium/glucose cotransporter 2 (SGLT2) inhibitors, which have a protective effect on pancreatic β-cells, are being prescribed to treat diabetes; however, the underlying mechanism is not well understood. We previously administered SGLT2 inhibitor dapagliflozin to a mouse model of type 2 diabetes and found significant changes in gene expression in the early-treated group, which led us to hypothesize that epigenetic regulation was a possible mechanism of these changes. Therefore, we performed comprehensive DNA methylation analysis by methylated DNA immunoprecipitation using isolated pancreatic islets after dapagliflozin administration to diabetic model mice. As a result, we identified 31 genes with changes in expression due to DNA methylation changes. Upon immunostaining, cystic fibrosis transmembrane conductance regulator and cadherin 24 were found to be upregulated in islets in the dapagliflozin-treated group. These molecules may contribute to the maintenance of islet morphology and insulin secretory capacity, suggesting that SGLT2 inhibitors' protective effect on pancreatic β-cells is accompanied by DNA methylation changes, and that the effect is long-term and not temporary. In future diabetes care, SGLT2 inhibitors may be expected to have positive therapeutic effects, including pancreatic β-cell protection.
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MESH Headings
- Animals
- Benzhydryl Compounds/pharmacology
- Benzhydryl Compounds/therapeutic use
- DNA Methylation/drug effects
- Glucosides/pharmacology
- Glucosides/therapeutic use
- Diabetes Mellitus, Type 2/metabolism
- Diabetes Mellitus, Type 2/genetics
- Diabetes Mellitus, Type 2/drug therapy
- Diabetes Mellitus, Type 2/pathology
- Mice
- Islets of Langerhans/metabolism
- Islets of Langerhans/drug effects
- Islets of Langerhans/pathology
- Male
- Sodium-Glucose Transporter 2 Inhibitors/pharmacology
- Mice, Inbred C57BL
- Disease Models, Animal
- Diabetes Mellitus, Experimental/genetics
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/pathology
- Epigenesis, Genetic/drug effects
- Gene Expression Regulation/drug effects
- Cadherins/metabolism
- Cadherins/genetics
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Affiliation(s)
- Aisha Yokoi
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Shun-Ichiro Asahara
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Hiroyuki Inoue
- Division of Medical Chemistry, Department of Metabolism and Diseases, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.
| | - Masako Seike
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Nozomi Kido
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Hirotaka Suzuki
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Ayumi Kanno
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Maki Kimura-Koyanagi
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
| | - Yoshiaki Kido
- Division of Medical Chemistry, Department of Metabolism and Diseases, Kobe University Graduate School of Health Sciences, 7-10-2 Tomogaoka, Suma-ku, Kobe, Hyogo, 654-0142, Japan.
| | - Wataru Ogawa
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan.
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248
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Cenci G, Pace V. Orthopedic manifestations of Li-Fraumeni syndrome: Prevention and treatment of a polymorphic spectrum of malignancies. World J Clin Cases 2024; 12:5839-5844. [DOI: 10.12998/wjcc.v12.i26.5839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/25/2024] [Accepted: 05/22/2024] [Indexed: 07/19/2024] Open
Abstract
Li-Fraumeni syndrome (LFS) is a rare hereditary cancer predisposition syndrome characterized by a heightened risk of developing various malignancies at an early age. Emerging evidence suggests a correlation between LFS and orthopedic manifestations, underscoring the importance of orthopedic screening in individuals with this syndrome. Pediatric cancer is rare. It is estimated that more than 10%-15% of tumors are secondary to a pathogenic variant in a cancer predisposition gene. More than 100 cancer predisposition genes and their association with syndromes or isolated tumors have been identified. LFS is one of those who have been most widely described. Patients with this syndrome present a high risk of developing one or more tumors. Its knowledge enables the establishment of a follow-up protocol for the patient and affected family members, facilitating early detection of new tumors and reducing tumor and treatment-related morbidity and mortality. The primary objective of this invited editorial article is to provide a thorough review of the existing knowledge of LFS and its polymorphic spectrum of related malignancies, with a focus on aspects directly linked to orthopedic manifestations. Another objective is to offer an update on the most modern prevention, treatment and follow up guidelines that could be useful for the physicians dealing with this cohort of patients.
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Affiliation(s)
- Giulia Cenci
- Department of Trauma and Orthopedics, Azienda Ospedaliera Santa Maria Hospital, Terni 05100, Italy
| | - Valerio Pace
- Department of Trauma and Orthopedics, AOSP Terni, Terni 05100, Italy
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249
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Hossain MA. Targeting the RAS upstream and downstream signaling pathway for cancer treatment. Eur J Pharmacol 2024; 979:176727. [PMID: 38866361 DOI: 10.1016/j.ejphar.2024.176727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/14/2024]
Abstract
Cancer often involves the overactivation of RAS/RAF/MEK/ERK (MAPK) and PI3K-Akt-mTOR pathways due to mutations in genes like RAS, RAF, PTEN, and PIK3CA. Various strategies are employed to address the overactivation of these pathways, among which targeted therapy emerges as a promising approach. Directly targeting specific proteins, leads to encouraging results in cancer treatment. For instance, RTK inhibitors such as imatinib and afatinib selectively target these receptors, hindering ligand binding and reducing signaling initiation. These inhibitors have shown potent efficacy against Non-Small Cell Lung Cancer. Other inhibitors, like lonafarnib targeting Farnesyltransferase and GGTI 2418 targeting geranylgeranyl Transferase, disrupt post-translational modifications of proteins. Additionally, inhibition of proteins like SOS, SH2 domain, and Ras demonstrate promising anti-tumor activity both in vivo and in vitro. Targeting downstream components with RAF inhibitors such as vemurafenib, dabrafenib, and sorafenib, along with MEK inhibitors like trametinib and binimetinib, has shown promising outcomes in treating cancers with BRAF-V600E mutations, including myeloma, colorectal, and thyroid cancers. Furthermore, inhibitors of PI3K (e.g., apitolisib, copanlisib), AKT (e.g., ipatasertib, perifosine), and mTOR (e.g., sirolimus, temsirolimus) exhibit promising efficacy against various cancers such as Invasive Breast Cancer, Lymphoma, Neoplasms, and Hematological malignancies. This review offers an overview of small molecule inhibitors targeting specific proteins within the RAS upstream and downstream signaling pathways in cancer.
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Affiliation(s)
- Md Arafat Hossain
- Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, 8100, Bangladesh.
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250
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Satarker S, Wilson J, Kolathur KK, Mudgal J, Lewis SA, Arora D, Nampoothiri M. Spermidine as an epigenetic regulator of autophagy in neurodegenerative disorders. Eur J Pharmacol 2024; 979:176823. [PMID: 39032763 DOI: 10.1016/j.ejphar.2024.176823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 07/01/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Autophagy is an abnormal protein degradation and recycling process that is impaired in various neurological diseases like Alzheimer's disease (AD), Parkinson's disease (PD), and Huntington's disease. Spermidine is a natural polyamine found in various plant- and meat-based diets that can induce autophagy, and is decreased in various neurodegenerative diseases. It acts on epigenetic enzymes like E1A-binding protein p300, HAT enzymes like Iki3p and Sas3p, and α-tubulin acetyltransferase 1 that modulate autophagy. Histone modifications like acetylation, phosphorylation, and methylation could influence autophagy. Autophagy is epigenetically regulated in various neurodegenerative disorders with many epigenetic enzymes and miRNAs. Polyamine regulation plays an essential role in the disease pathogenesis of AD and PD. Therefore, in this review, we discuss various enzymes and miRNAs involved in the epigenetic regulation of autophagy in neurodegenerative disorders and the role of spermidine as an autophagy enhancer. The alterations in spermidine-mediated regulation of Beclin-1, LC3-II, and p62 genes in AD and other PD-associated enzymes could impact the process of autophagy in these neurodegenerative diseases. With the ever-growing data and such promising effects of spermidine in autophagy, we feel it could be a promising target in this area and worth further detailed studies.
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Affiliation(s)
- Sairaj Satarker
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Joel Wilson
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Kiran Kumar Kolathur
- Department of Pharmaceutical Biotechnology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Jayesh Mudgal
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Shaila A Lewis
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India
| | - Devinder Arora
- School of Pharmacy and Medical Sciences, Griffith University, Gold Coast, QLD, 4222, Australia
| | - Madhavan Nampoothiri
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, 576104, India.
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