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He T, Qu R, Qin C, Wang Z, Zhang Y, Shao X, Lu T. Potential mechanisms of Chinese Herbal Medicine that implicated in the treatment of COVID-19 related renal injury. Saudi Pharm J 2020; 28:1138-1148. [PMID: 32837217 PMCID: PMC7416081 DOI: 10.1016/j.jsps.2020.08.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 08/06/2020] [Indexed: 01/08/2023] Open
Abstract
Clinical studies have shown that renal injury in Corona Virus Disease 2019 (COVID-19) patients has been a real concern, which is associated with high mortality and an inflammation/apoptosis-related causality. Effective target therapy for renal injury has yet been developed. Besides, potential anti-COVID-19 medicines have also been reported to cause adverse side effects to kidney. Chinese Herbal Medicine (CHM), however, has rich experience in treating renal injury and has successfully applied in China in the battle of COVID-19. Nevertheless, the molecular mechanisms of CHM treatment are still unclear. In this study, we searched prescriptions in the treatment of renal injury extensively and the potential mechanisms to treat COVID-19 related renal injury were investigated. The association rules analysis showed that the core herbs includes Huang Qi, Fu Ling, Bai Zhu, Di Huang, Shan Yao. TCM herbs regulate core pathways, such as AGE-RAGE, PI3K-AKT, TNF and apoptosis pathway, etc. The ingredients (quercetin, formononetin, kaempferol, etc.,) from core herbs could modulate targets (PTGS2 (COX2), PTGS1 (COX1), IL6, CASP3, NOS2, and TNF, etc.), and thereby prevent the pharmacological and non-pharmacological renal injury comparable to that from COVID-19 infection. This study provides therapeutic potentials of CHM to combat COVID-19 related renal injury to reduce complications and mortality.
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Key Words
- AGE, Advanced Glycation End products
- AKT, Protein Kinase B
- Association rules
- CHM, Chinese Herbal medicine
- CNKI, China National Knowledge Infrastructure
- COVID-19
- COVID-19, Corona Virus Disease 2019
- CRRT, continuous renal replacement therapy
- Chinese Herbal Medicine
- IL6, interleukin 6
- KEGG, Kyoto Encyclopedia of Genes and Genomes
- MERS, Middle East respiratory syndrome
- NCBI, National Coalition Building Institute
- NHC, National Health Commission
- NOS2, Nitric Oxide synthase
- Network pharmacology
- PI3K, Phosphatidylinositol 3-kinase
- PPI, protein–protein interaction
- PTGS1, Prostaglandin G/H synthase 1
- PTGS2, Prostaglandin G/H synthase 2
- RAGE, Receptor of Advanced Glycation End products
- Renal/kidney injury
- SARS, severe acute respiratory syndrome
- TCMSP, Traditional Chinese Medicine Systems Pharmacology
- TNF, Tumor Necrosis Factor
- Traditional Chinese Medicine
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Affiliation(s)
- Tian He
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Rendong Qu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Caimeng Qin
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Zheyi Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Xiangming Shao
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Tao Lu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
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Kolenda T, Guglas K, Kopczyńska M, Sobocińska J, Teresiak A, Bliźniak R, Lamperska K. Good or not good: Role of miR-18a in cancer biology. Rep Pract Oncol Radiother 2020; 25:808-819. [PMID: 32884453 DOI: 10.1016/j.rpor.2020.07.006] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 04/24/2020] [Accepted: 07/31/2020] [Indexed: 02/06/2023] Open
Abstract
miR-18a is a member of primary transcript called miR-17-92a (C13orf25 or MIR17HG) which also contains five other miRNAs: miR-17, miR-19a, miR-20a, miR-19b and miR-92a. This cluster as a whole shows specific characteristics, where miR-18a seems to be unique. In contrast to the other members, the expression of miR-18a is additionally controlled and probably functions as its own internal controller of the cluster. miR-18a regulates many genes involved in proliferation, cell cycle, apoptosis, response to different kinds of stress, autophagy and differentiation. The disturbances of miR-18a expression are observed in cancer as well as in different diseases or pathological states. The miR-17-92a cluster is commonly described as oncogenic and it is known as 'oncomiR-1', but this statement is a simplification because miR-18a can act both as an oncogene and a suppressor. In this review we summarize the current knowledge about miR-18a focusing on its regulation, role in cancer biology and utility as a potential biomarker.
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Key Words
- 5-FU, 5-fluorouracyl
- ACVR2A, activin A receptor type 2A
- AKT, AKT serine/threonine kinase
- AR, androgen receptor
- ATG7, autophagy related 7
- ATM, ATM serine/threonine kinase
- BAX, BCL2 associated Xapoptosis regulator
- BCL2, BCL2 apoptosis regulator
- BCL2L10, BCL2 like 10
- BDNF, brain derived neurotrophic factor
- BLCA, bladder urothelial carcinoma
- BRCA, breast cancer
- Biomarker
- Bp, base pair
- C-myc (MYCBP), MYC binding protein
- CASC2, cancer susceptibility 2
- CD133 (PROM1), prominin 1
- CDC42, cell division cycle 42
- CDKN1, Bcyclin dependent kinase inhibitor 1B
- COAD, colon adenocarcinoma
- Cancer
- Circulating miRNA
- DDR, DNA damage repair
- E2F family (E2F1, E2F2, E2F3), E2F transcription factors
- EBV, Epstein-Barr virus
- EMT, epithelial-to-mesenchymal transition
- ER, estrogen receptor
- ERBB (EGFR), epidermal growth factor receptor
- ESCA, esophageal carcinoma
- FENDRR, FOXF1 adjacent non-coding developmental regulatory RNA
- FER1L4, fer-1 like family member 4 (pseudogene)
- GAS5, growth arrest–specific 5
- HIF-1α (HIF1A), hypoxia inducible factor 1 subunit alpha
- HNRNPA1, heterogeneous nuclear ribonucleoprotein A1
- HNSC, head and neck squamous cell carcinoma
- HRR, homologous recombination-based DNA repair
- IFN-γ (IFNG), interferon gamma
- IGF1, insulin like growth factor 1
- IL6, interleukin 6
- IPMK, inositol phosphate multikinase
- KIRC, clear cell kidney carcinoma
- KIRP, kidney renal papillary cell carcinoma
- KRAS, KRAS proto-oncogene, GTPase
- LIHC, liver hepatocellular carcinoma
- LMP1, latent membrane protein 1
- LUAD, lung adenocarcinoma
- LUSC, lung squamous cell carcinoma
- Liquid biopsy
- MAPK, mitogen-activated protein kinase
- MCM7, minichromosome maintenance complex component 7
- MET, mesenchymal-to-epithelial transition
- MTOR, mechanistic target of rapamycin kinase
- N-myc (MYCN), MYCN proto-oncogene, bHLH transcription factor
- NF-κB, nuclear factor kappa-light-chain-enhancer of activated B cells
- NOTCH2, notch receptor 2
- Oncogene
- PAAD, pancreatic adenocarcinoma
- PERK (EIF2AK3), eukaryotic translation initiation factor 2 alpha kinase 3
- PI3K (PIK3CA), phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit alpha
- PIAS3, protein inhibitor of activated STAT 3
- PRAD, prostate adenocarcinoma
- RISC, RNA-induced silencing complex
- SMAD2, SMAD family member 2
- SMG1, SMG1 nonsense mediated mRNA decay associated PI3K related kinase
- SNHG1, small nucleolar RNA host gene 1
- SOCS5, suppressor of cytokine signaling 5
- STAD, stomach adenocarcinoma
- STAT3, signal transducer and activator of transcription 3
- STK4, serine/threonine kinase 4
- Suppressor
- TCGA
- TCGA, The Cancer Genome Atlas
- TGF-β (TGFB1), transforming growth factor beta 1
- TGFBR2, transforming growth factor beta receptor 2
- THCA, papillary thyroid carcinoma
- TNM, Classification of Malignant Tumors: T - tumor / N - lymph nodes / M – metastasis
- TP53, tumor protein p53
- TP53TG1, TP53 target 1
- TRIAP1, p53-regulating inhibitor of apoptosis gene
- TSC1, TSC complex subunit 1
- UCA1, urothelial cancer associated 1
- UCEC, uterine corpus endometrial carcinoma
- UTR, untranslated region
- WDFY3-AS2, WDFY3 antisense RNA 2
- WEE1, WEE1 G2 checkpoint kinase
- WNT family, Wingless-type MMTV integration site family/Wnt family ligands
- ZEB1/ZEB2, zinc finger E-box binding homeobox 1 and 2
- ceRNA, competitive endogenous RNA
- cncRNA, protein coding and non-coding RNA
- lncRNA, long-non coding RNA
- miR-17-92a
- miR-18a
- miRNA
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Affiliation(s)
- Tomasz Kolenda
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland.,Department of Cancer Immunology, Chair of Medical Biotechnology, Poznan University of Medical Sciences, Poznan, Poland.,Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warszawa, Poland
| | - Kacper Guglas
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland.,Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warszawa, Poland
| | - Magda Kopczyńska
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland.,Department of Cancer Immunology, Chair of Medical Biotechnology, Poznan University of Medical Sciences, Poznan, Poland
| | - Joanna Sobocińska
- Department of Cancer Immunology, Chair of Medical Biotechnology, Poznan University of Medical Sciences, Poznan, Poland
| | - Anna Teresiak
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
| | - Renata Bliźniak
- Laboratory of Cancer Genetics, Greater Poland Cancer Centre, Poznan, Poland
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Pearce JV, Farrar JS, Lownik JC, Ni B, Chen S, Kan TW, Celi FS. E0771 and 4T1 murine breast cancer cells and interleukin 6 alter gene expression patterns but do not induce browning in cultured white adipocytes. Biochem Biophys Rep 2019; 18:100624. [PMID: 31193642 PMCID: PMC6536889 DOI: 10.1016/j.bbrep.2019.100624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 02/20/2019] [Accepted: 03/05/2019] [Indexed: 12/24/2022] Open
Abstract
Breast cancer remains a substantial clinical problem worldwide, and cancer-associated cachexia is a condition associated with poor prognosis in this and other malignancies. Adipose tissue is involved in the development and progression of cancer-associated cachexia, but its various roles and mechanisms of action are not completely defined, especially as it relates to breast cancer. Interleukin 6 has been implicated in several mechanisms contributing to increased breast cancer tumorigenesis, as well as a net-negative energy balance and cancer-associated cachexia via adipose tissue remodeling in other models of cancer; however, its potential role in breast cancer-associated white adipose browning has not been explored. In this study, we demonstrate localized white adipose tissue browning in a spontaneous model of murine mammary cancer. We then used an in vitro murine adipocyte culture system with the E0771 and 4T1 cell lines as models of breast cancer. We demonstrate that while the E0771 and 4T1 secretomes and cross-talk with white adipocytes alter white adipocyte mRNA expression, they do not directly induce white adipocyte browning. Additionally, we show that neither exogenous administration of interleukin 6 alone or with its soluble receptor directly induce white adipocyte browning. Together, these results demonstrate that neither the E0771 or 4T1 murine breast cancer cell lines, nor interleukin 6, directly cause browning of cultured white adipocytes. This suggests that their roles in adipose tissue remodeling are more complex and indirect in nature.
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Affiliation(s)
- Janina V. Pearce
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Jared S. Farrar
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Joseph C. Lownik
- Center for Clinical and Translational Research, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Bin Ni
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Shanshan Chen
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
- Department of Biostatistics, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Tiffany W. Kan
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Francesco S. Celi
- Department of Internal Medicine, Division of Endocrinology, Diabetes and Metabolism, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
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Rodriguez-Navas C, Morselli E, Clegg DJ. Sexually dimorphic brain fatty acid composition in low and high fat diet-fed mice. Mol Metab 2016; 5:680-9. [PMID: 27656405 DOI: 10.1016/j.molmet.2016.06.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 06/24/2016] [Accepted: 06/27/2016] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE In this study, we analyzed the fatty acid profile of brains and plasma from male and female mice fed chow or a western-style high fat diet (WD) for 16 weeks to determine if males and females process fatty acids differently. Based on the differences in fatty acids observed in vivo, we performed in vitro experiments on N43 hypothalamic neuronal cells to begin to elucidate how the fatty acid milieu may impact brain inflammation. METHODS Using a comprehensive mass spectrometry fatty acid analysis, which includes a profile for 52 different fatty acid isomers, we assayed the plasma and brain fatty acid composition of age-matched male and female mice maintained on chow or a WD. Additionally, using the same techniques, we determined the fatty acid composition of N43 hypothalamic cells following exposure to palmitic and linoleic acid, alone or in combination. RESULTS Our data demonstrate there is a sexual dimorphism in brain fatty acid content both following the consumption of the chow diet, as well as the WD, with males having an increased percentage of saturated fatty acids and reductions in ω6-polyunsaturated fatty acids when compared to females. Interestingly, we did not observe a sexual dimorphism in fatty acid content in the plasma of the same mice. Furthermore, exposure of N43 cells to the ω6-PUFA linoleic acid, which is higher in female brains when compared to males, reduces palmitic acid-induced inflammation. CONCLUSIONS Our data suggest male and female brains, and not plasma, differ in their fatty acid profile. This is the first time, to our knowledge, lipidomic analyses has been used to directly test the hypothesis there is a sexual dimorphism in brain and plasma fatty acid composition following consumption of the chow diet, as well as following exposure to the WD.
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Key Words
- AA, arachidonic acid
- ACC, acetyl-CoA carboxylase
- B2m, beta-2 microglobulin
- BBB, blood brain barrier
- BSA, bovine serum albumin
- C, Chow diet
- CNS, central nervous system
- Central nervous system
- DHA, docosahexaenoic acid
- F, female
- FABP, fatty acid binding protein
- FAS, fatty acid synthase
- FAT/CD36, fatty acid transporter
- FATP1, fatty acid transport protein 1
- FAs, fatty acids
- FFAs, free fatty acids
- IL6, interleukin 6
- LA, linoleic acid
- Linoleic acid
- M, male
- MCD, malonyl-CoA decarboxylase
- MSFD2a, membrane protein major facilitator super family domain containing 2a
- MUFAs, monounsaturated fatty acids
- N43
- NF-κB, Nuclear Factor-κ Beta
- Obesity
- PA, palmitic acid
- PUFAs, polyunsaturated fatty acids
- Palmitic acid
- SatFAs, saturated fatty acids
- TFAs, total fatty acids
- TNFα, Tumor Necrosis Factor α
- UnsatFAs, unsaturated fatty acids
- WD, western diet
- WT, wild-type
- Western diet
- ω6-fatty acids
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Abstract
Cocaine abuse leads to neuroinflammation, which, in turn, contributes to the pathogenesis of neurodegeneration associated with advanced HIV-1 infection. Autophagy plays important roles in both innate and adaptive immune responses. However, the possible functional link between cocaine and autophagy has not been explored before. Herein, we demonstrate that cocaine exposure induced autophagy in both BV-2 and primary rat microglial cells as demonstrated by a dose- and time-dependent induction of autophagy-signature proteins such as BECN1/Beclin 1, ATG5, and MAP1LC3B. These findings were validated wherein cocaine treatment of BV-2 cells resulted in increased formation of puncta in cells expressing either endogenous MAP1LC3B or overexpressing GFP-MAP1LC3B. Specificity of cocaine-induced autophagy was confirmed by treating cells with inhibitors of autophagy (3-MA and wortmannin). Intriguingly, cocaine-mediated induction of autophagy involved upstream activation of 2 ER stress pathways (EIF2AK3- and ERN1-dependent), as evidenced by the ability of the ER stress inhibitor salubrinal to ameliorate cocaine-induced autophagy. In vivo validation of these findings demonstrated increased expression of BECN1, ATG5, and MAP1LC3B-II proteins in cocaine-treated mouse brains compared to untreated animals. Increased autophagy contributes to cocaine-mediated activation of microglia since pretreatment of cells with wortmannin resulted in decreased expression and release of inflammatory factors (TNF, IL1B, IL6, and CCL2) in microglial cells. Taken together, our findings suggest that cocaine exposure results in induction of autophagy that is closely linked with neuroinflammation. Targeting autophagic proteins could thus be considered as a therapeutic strategy for the treatment of cocaine-related neuroinflammation diseases.
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Key Words
- 3-MA, 3-methyladenine
- ATF6, activating transcription factor 6
- ATG5, autophagy-related 5
- BCL2, B-cell CLL/lymphoma 2
- BECN1
- BECN1, Beclin 1, autophagy related
- Baf1, bafilomycin A1
- CCL2, chemokine (C-C motif) ligand 2
- DAPI: 4, 6-diamidino-2-phenylindole, dihydrochloride
- DDIT3, DNA-damage-inducible transcript 3
- EGFP, enhanced green fluorescent protein
- EIF2AK3, eukaryotic translation initiation factor 2-α kinase 3
- EIF2S1, eukaryotic translation initiation factor 2, subunit 1 α, 35kDa
- ER stress
- ER, endoplasmic reticulum
- ERN1, endoplasmic reticulum to nucleus signaling 1
- HIV, human immunodeficiency virus
- IL1B, interleukin 1, β
- IL6, interleukin 6
- MAP1LC3B
- MAP1LC3B, microtubule-associated protein 1 light chain 3
- METH, methamphetamine
- MTOR, mechanistic target of rapamycin
- NFKB1, nuclear factor of kappa light polypeptide gene enhancer in B-cells 1
- PBN, N-tert-butyl-α-phenylnitrone
- PPP1R3A, protein phosphatase 1, regulatory subunit 3A
- PtdIns3K, class III phosphatidylinositol 3-kinase
- ROS, reactive oxygen species
- RPS6, ribosomal protein S6
- TLR4, toll-like receptor 4
- TNF, tumor necrosis factor
- autophagy
- cocaine
- microglial cells
- neuroinflammation
- rPMCs, rat primary microglial cells
- wort, wortmannin
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Affiliation(s)
- Ming-Lei Guo
- a Department of Pharmacology and Experimental Neuroscience; Nebraska Medical Center; University of Nebraska Medical Center ; Omaha , NE , USA
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Abstract
Autophagy is an evolutionarily conserved process in eukaryotes that eliminates harmful components and maintains cellular homeostasis in response to a series of extracellular insults. However, these insults may trigger the downstream signaling of another prominent stress responsive pathway, the STAT3 signaling pathway, which has been implicated in multiple aspects of the autophagic process. Recent reports further indicate that different subcellular localization patterns of STAT3 affect autophagy in various ways. For example, nuclear STAT3 fine-tunes autophagy via the transcriptional regulation of several autophagy-related genes such as BCL2 family members, BECN1, PIK3C3, CTSB, CTSL, PIK3R1, HIF1A, BNIP3, and microRNAs with targets of autophagy modulators. Cytoplasmic STAT3 constitutively inhibits autophagy by sequestering EIF2AK2 as well as by interacting with other autophagy-related signaling molecules such as FOXO1 and FOXO3. Additionally, the mitochondrial translocation of STAT3 suppresses autophagy induced by oxidative stress and may effectively preserve mitochondria from being degraded by mitophagy. Understanding the role of STAT3 signaling in the regulation of autophagy may provide insight into the classic autophagy model and also into cancer therapy, especially for the emerging targeted therapy, because a series of targeted agents execute antitumor activities via blocking STAT3 signaling, which inevitably affects the autophagy pathway. Here, we review several of the representative studies and the current understanding in this particular field.
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Key Words
- ALK, anaplastic lymphoma receptor tyrosine kinase
- ATF4, activating transcription factor 4
- BNIP3, BCL2/adenovirus E1B 19kDa interacting protein 3
- CNTF, ciliary neurotrophic factor
- COX8, cytochrome c oxidase subunit VIII
- CTSB, cathepsin B
- CTSL, cathepsin L
- CYCS, cytochrome c, somatic
- ConA, concanavalin A
- CuB, cucurbitacin B
- EGF, epidermal growth factor
- EIF2A, eukaryotic initiation factor 2A, 65kDa
- EIF2AK2, eukaryotic translation initiation factor 2-α kinase 2
- ER, endoplasmic reticulum
- ETC, electron transport chain
- FOXO1/3, forkhead box O1/3
- HDAC3, histone deacetylase 3
- HIF1A, hypoxia inducible factor 1, α subunit (basic helix-loop-helix transcription factor)
- IL6, interleukin 6
- IMM, inner mitochondrial membrane
- KDR, kinase insert domain receptor
- LMP, lysosomal membrane permeabilization
- MAP1LC3A, microtubule-associated protein 1 light chain 3 α
- MAPK1, mitogen-activated protein kinase 1
- MLS, mitochondrial localization sequence
- MMP14, matrix metallopeptidase 14 (membrane-inserted)
- NDUFA13, NADH dehydrogenase (ubiquinone) 1 α subcomplex, 13
- NES, nuclear export signal
- NFKB1, nuclear factor of kappa light polypeptide gene enhancer in B-cells 1
- NLS, nuclear localization signal
- PDGFRB, platelet-derived growth factor receptor, β polypeptide
- PRKAA2, protein kinase, AMP-activated, α 2 catalytic subunit
- PTPN11, protein tyrosine phosphatase, non-receptor type 11
- PTPN2, protein tyrosine phosphatase, non-receptor type 2
- PTPN6, protein tyrosine phosphatase, non-receptor type 6
- ROS, reactive oxygen species
- RTK, receptor tyrosine kinases
- SH2, src homology 2
- STAT3
- STAT3, signal transducer and activator of transcription 3 (acute-phase response factor)
- VHL, von Hippel-Lindau tumor suppressor, E3 ubiquitin protein ligase
- XPO1, exportin 1
- autophagy
- cancer
- miRNA, microRNA
- mitoSTAT3, mitochondrial STAT3
- mitophagy
- receptor tyrosine kinases
- targeted therapy
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Affiliation(s)
- Liangkun You
- a Department of Medical Oncology; Zhejiang University ; Hangzhou , Zhejiang , China
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Phalke SP, Chiplunkar SV. Activation status of γδ T cells dictates their effect on osteoclast generation and bone resorption. Bone Rep 2015; 3:95-103. [PMID: 28377972 PMCID: PMC5365245 DOI: 10.1016/j.bonr.2015.10.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Revised: 09/20/2015] [Accepted: 10/14/2015] [Indexed: 01/13/2023] Open
Abstract
γδ T cells, a small subset of T cell population (5–10%), forms a bridge between innate and adaptive immunity. Although the role of γδ T cells in infectious diseases and antitumor immunity is well investigated, their role in bone biology needs to be explored. Aminobisphosphonates are used as a standard treatment modality for bone related disorders and are potent activators of γδ T cells. In the present study, we have compared the effect of “activated” and “freshly isolated” γδ T cells on osteoclast generation and function. We have shown that “activated” (αCD3/CD28 + rhIL2 or BrHPP + rhIL2 stimulated) γδ T cells inhibit osteoclastogenesis, while “freshly isolated” γδ T cells enhance osteoclast generation and function. Upon stimulation with phosphoantigen (BrHPP), “freshly isolated” γδ T cells were also able to suppress osteoclast generation and function. Cytokine profiles of these cells revealed that, “freshly isolated” γδ T cells secrete higher amounts of IL6 (pro-osteoclastogenic), while “activated” γδ T cells secrete high IFNγ levels (anti-osteoclastogenic). Neutralization of IFNγ and IL6 reversed the “inhibitory” or “stimulatory” effect of γδ T cells on osteoclastogenesis. In conclusion, we have shown that, activation status and dynamics of IL6 and IFNγ secretion dictate pro and anti-osteoclastogenic role of γδ T cells. Freshly isolated (unstimulated) γδ T cells enhance osteoclastogenesis. Activated γδ T cells inhibit osteoclast generation and function. Activated γδ T cells secrete high IFNγ, while freshly isolated secrete high IL6. Dynamics of IL6/IFNγ explains pro- and anti-osteoclastogenic effect of γδ T cells.
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Key Words
- Activation status
- BrHPP, bromohydrin pyrophosphate
- CBA, cytometric bead array
- Cytokines
- FCS, Fetal calf serum
- FH, Ficoll-Hypaque
- IFNγ, interferon gamma
- IL6, interleukin 6
- MACS, magnetic-activated cell sorting
- MFI, mean fluorescent intensity
- OAAS, osteoclast activity assay substrate
- OPCs, osteoclast precursor cells
- Osteoclasts
- PBMCs, peripheral blood mononuclear cells
- PBS, phosphate buffered saline
- Phosphoantigen
- RPMI, Roswell Park Memorial Institute medium
- SEM, standard error of mean
- TRAP, tartarate resistant acid phosphatase
- cαMEM, complete minimum essential medium with alpha modification
- rhIL2, recombinant human interleukin 2
- rhMCSF, recombinant human macrophage-colony stimulating factor
- rhRANKL, recombinant human receptor activator of nuclear factor kappa-B ligand
- αIFNγ, anti-interferon gamma
- αIL6, anti-interleukin 6
- γδ T cells
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Affiliation(s)
| | - Shubhada V. Chiplunkar
- Corresponding author at: Chiplunkar Laboratory, Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai 410210, India.Chiplunkar LaboratoryAdvanced Centre for Treatment, Research and Education in Cancer (ACTREC)Tata Memorial CentreKharghar, Navi Mumbai410210India
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Berger E, Héraud S, Mojallal A, Lequeux C, Weiss-Gayet M, Damour O, Géloën A. Pathways commonly dysregulated in mouse and human obese adipose tissue: FAT/CD36 modulates differentiation and lipogenesis. Adipocyte 2015; 4:161-80. [PMID: 26257990 DOI: 10.4161/21623945.2014.987578] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 10/06/2014] [Accepted: 11/10/2014] [Indexed: 12/25/2022] Open
Abstract
Obesity is linked to adipose tissue hypertrophy (increased adipocyte cell size) and hyperplasia (increased cell number). Comparative analyses of gene datasets allowed us to identify 1426 genes which may represent common adipose phenotype in humans and mice. Among them we identified several adipocyte-specific genes dysregulated in obese adipose tissue, involved in either fatty acid storage (acyl CoA synthase ACSL1, hormone-sensitive lipase LIPE, aquaporin 7 AQP7, perilipin PLIN) or cell adhesion (fibronectin FN1, collagens COL1A1, COL1A3, metalloprotein MMP9, or both (scavenger receptor FAT/CD36). Using real-time analysis of cell surface occupancy on xCELLigence system we developed a new method to study lipid uptake and differentiation of mouse 3T3L1 fibroblasts and human adipose stem cells. Both processes are regulated by insulin and fatty acids such as oleic acid. We showed that fatty acid addition to culture media increased the differentiation rate and was required for full differentiation into unilocular adipocytes. Significant activation of lipogenesis, i.e. lipid accumulation, by either insulin or oleic acid was monitored in times ranging from 1 to 24 h, depending on differentiation state, whereas significant effects on adipogenesis, i.e., surperimposed lipid accumulation and gene transcriptional regulations were measured after 3 to 4 d. Combination of selected times for analysis of lipid contents, cell counts, size fractionations, and gene transcriptional regulations showed that FAT/CD36 specific inhibitor AP5258 significantly increased cell survival of oleic acid-treated mouse and human adipocytes, and partially restored the transcriptional response to oleic acid in the presence of insulin through JNK pathway. Taken together, these data open new perspectives to study the molecular mechanisms commonly dysregulated in mouse and human obesity at the level of lipogenesis linked to hypertrophy and adipogenesis linked to hyperplasia.
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Key Words
- (h)ASCs, (human)adipose stem cells
- (h)dA, (human) adipocytes differentiated in vitro
- ACSL1, Acyl-CoA synthetase long chain family member 1
- AQP7, aquaporin 7
- BSA, bovine serum albumin, lipid-free
- CEBPA, CCAAT/enhancer binding protein (C/EBP) α
- CIDEA &
- CIDEC, cell death-inducing DFFA-like effectors a and c
- COL1A1 &
- COL1A3, Collagens 1 α
- DMEM, Dulbecco's Modified Eagle's Medium
- ECM, extracellular matrix
- FABP1 and 4, fatty acid binding proteins 1 and 4
- FAT/CD36, fatty acid translocase
- FCS, foetal calf serum
- FN1, fibronectin
- GO, Gene Ontology
- HSPG, heparan sulfate proteoglycans
- IBMX, isobutylmethylxanthine
- IL6, interleukin 6
- JNK, Jun-NH2 kinase
- LIPE, hormone-sensitive lipase
- MMP9, matrix metallopeptidase 9
- PBS, phosphate buffered saline
- PLIN, perilipin
- PPARG, peroxisome-proliferator receptor gamma
- RT-qPCR, real-time quantitative polymerase chain reaction
- RTCA, Real-time Cell Analyzer
- TA, adipose tissue
- TNFA, tumor necrosis factor α
- adipogenesis
- bFGF, basic fibroblast growth factor
- bio-informatics
- fatty acid
- lipogenesis
- obesity
- real-time cell analysis
- subunits 1 and 3
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Hamzawy M, Elsaid L, Shams A, Rashid L, Mahfouz S, Sharawy N. Study of the effects of cyclooxygenase-2 inhibitor on the promotion of hepatic tumorigenesis in rats fed a high fat diet. J Clin Exp Hepatol 2015; 5:14-21. [PMID: 25941430 PMCID: PMC4415194 DOI: 10.1016/j.jceh.2014.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 12/31/2014] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND/OBJECTIVE Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide. The highest prevalence of hepatitis is an important risk factor contributing to development of HCCs. However, an increasing number of cases are associated metabolic disease and steatohepatitis. Inflammation associated with many liver disease, seems to be a necessary pre-requisite for successful tumor initiation. Mechanisms that link high fat diet and inflammation initial stage of HCC are not completely understood. The present work was designed to investigate the effect of fat, through modulation of the insulin-like growth factors I and II (IGF-I and IGF-II), on the promotion of hepatocellular carcinoma, and the role of cyclooxygenase 2 (COX-2). METHODS two main groups of rats were used: control and HCC groups. The HCC group was further sub-divide in to two subgroups, HCC fed with standard diet and HCC fed with high fat diet. The effects of celecoxib were also investigated in HCC fed with high fat diet. RESULTS We found that high fat diet was associated with significant increases in COX2 and interleukin 6 (IL6) with significant promotion of HCC progression. The significant increase in IGF could contribute partially to the observed effects of high fat diet. In addition, celecoxib was found to significantly reduce HCC progression. CONCLUSIONS We conclude that COX2 could play central role in high prevalence of HCC observed with high fat diet. Several triggering factors such as IGF and IL6, together with the direct modulation of fat metabolism could open several novel preventive strategies of celecoxib treatment, and could be useful biomarkers for assessment of its pharmacological effects.
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Key Words
- AFP, alpha-fetoprotein
- CCl4, carbon-tetrachloride
- COX-2, cyclooxygenase 2
- FAS, fatty acid synthase
- FFA, free fatty acid
- GH, growth hormone
- H&E, Hematoxylin and Eosin stain
- HCC, hepatocellular carcinoma
- IGF
- IGF-I and IGF-II, insulin-like growth factors I and II
- IGFBP-3, insulin-like growth factor-binding protein 3
- IGFR, IGF receptor
- IL6, interleukin 6
- IκB, inhibitory protein
- JNK1, c-Jun N-terminal kinase-1
- MAPK, mitogen-activated protein kinase
- NFκB, nuclear factor-κB
- PAS, periodic acid Schiff stain
- PI3k, phosphatidylinositide 3-kinases
- TAG, triaceyl glycerol
- celecoxib
- fat diet
- hepatocellular carcinoma
- real time-PCR, real time-polymerase chain reaction
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Affiliation(s)
- Magda Hamzawy
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
- Address for correspondence: Nivin Sharawy, Kasr El-Aini, Cairo University, Al-Saray Street, 11562 Cairo, Egypt. Tel.: +202 01122433182; fax: +202 23628246.
| | - Laila Elsaid
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Asmaa Shams
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Laila Rashid
- Department of Biochemistry, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Soheir Mahfouz
- Department of Pathology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Nivin Sharawy
- Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt
- Address for correspondence: Nivin Sharawy, Kasr El-Aini, Cairo University, Al-Saray Street, 11562 Cairo, Egypt. Tel.: +202 01122433182; fax: +202 23628246.
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