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Tanouti IA, Fellah H, Haddaji A, Zerrad C, Tahiri M, Badre W, Nfaoui K, Pineau P, Benjelloun S, Ezzikouri S. High plasma interleukin-6 level, but not IL-6 gene variants, as a predictive marker for the development of hepatocellular carcinoma in a Moroccan population. Int J Immunogenet 2024. [PMID: 38563185 DOI: 10.1111/iji.12669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 11/02/2023] [Revised: 03/04/2024] [Accepted: 03/17/2024] [Indexed: 04/04/2024]
Abstract
Chronic inflammation triggered by hepatitis B (HBV) and hepatitis C (HCV) viruses elevates interleukin 6 (IL-6) levels, activating pathways that cause liver damage and contribute to hepatocellular carcinoma (HCC) development. In this study, we assessed IL-6 levels and explored the correlation between the rs1800795 and rs1800797 variants of the IL-6 gene and the risk of developing HCC. We conducted a case-control study involving 314 participants. Among them, 157 were HCC patients (94 anti-HCV, 22 HBsAg and 41 metabolic dysfunction-associated steatotic liver disease [MASLD]) and 157 controls. Genotyping for IL-6 rs1800795 and rs1800797 polymorphisms was performed using real-time polymerase chain reaction (PCR). Additionally, plasma IL-6 levels were determined using enzyme-linked immunosorbent assay. The IL-6 levels were notably higher in patients compared to controls (p < .0001). Among HCC patients, those with MASLD exhibited higher plasma IL-6 levels than those with HCV and HBV (p = .003). In male HCC patients, IL-6 levels were significantly elevated compared to controls (p < .0001). Similarly, female patients showed significantly higher IL-6 levels compared to female controls, though still lower than in male HCC patients (p = .023). However, no significant difference was observed in IL-6 levels between male and female HCC patients (p = .129). Contrastingly, the genotype and allele distributions of the rs1800795 and rs1800797 polymorphisms in the IL-6 gene displayed no association with HCC development (all p > .005). In Moroccan HCC patients, chronic liver inflammation is characterized by elevated levels of IL-6, potentially playing a role in the progression of liver disease and tumourigenesis.
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Affiliation(s)
- Ikram-Allah Tanouti
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
- Faculty of Medicine and Pharmacy of Casablanca, Cellular and Molecular Pathology Laboratory, Infectious Diseases and Systemic Immunology Team, Casablanca, Morocco
| | - Hassan Fellah
- Faculty of Medicine and Pharmacy of Casablanca, Cellular and Molecular Pathology Laboratory, Infectious Diseases and Systemic Immunology Team, Casablanca, Morocco
| | - Asmaa Haddaji
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
| | - Chaimaa Zerrad
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
| | - Mohamed Tahiri
- Faculté de médecine et de pharmacie, Rue Tarik Ibnou Ziad, Université Hassan II, Casablanca, Morocco
| | - Wafaa Badre
- Faculté de médecine et de pharmacie, Rue Tarik Ibnou Ziad, Université Hassan II, Casablanca, Morocco
- Service d'Hépato-Gastro-Entérologie, CHU Ibn Rochd, Casablanca, Morocco
| | - Khaoula Nfaoui
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
- Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Place Louis Pasteur, Casablanca, Morocco
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Tanouti IA, Fellah H, El Fihry R, Zerrad C, Abounouh K, Tahiri M, Belkouchi A, Badre W, Pineau P, Benjelloun S, Ezzikouri S. Association of Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1 Alpha Coding Variants with Hepatocellular Carcinoma Risk in the Moroccan Population: A Case-Control Study. Asian Pac J Cancer Prev 2023; 24:3689-3696. [PMID: 38019226 PMCID: PMC10772742 DOI: 10.31557/apjcp.2023.24.11.3689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 11/17/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is the most common primary malignancy. Peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PPARGC1A) plays a crucial role in regulating the biogenesis of mitochondria. We aimed to assess the association between PPARGC1A polymorphisms and HCC risk in a Moroccan population. METHODS In this case-control study, 147 patients with HCC and 147 controls without pre-existing liver disease were matched for ethnicity. TaqMan SNP allelic discrimination assays were used for genotyping of PPARGC1A rs8192678 and rs12640088 polymorphisms. RESULTS The result revealed that individuals with the GA/AA genotypes for rs8192678 had a significantly higher risk of HCC compared to those with the GG genotype (OR=6.68; P<0.0001, and OR=9.78; P<0.0001, respectively). In particular, the A allele of rs8192678 was over-represented in HCC patients compared to controls (40% versus 12%, P<0.0001, respectively). With respect to PPARGC1A rs12640088 variant, two genetic models (codominant and dominant) were tested to explore any potential variations in the distribution of SNP A>C among HCC cases and control subjects group. Overall, no significant association between rs12640088 and HCC was found (P>0.05). Interestingly, a significantly higher level of aspartate aminotransferase was observed in HCC patients with GG-GA genotypes (280 IU/L) compared to those with GG genotype (164 IU/L) at rs8192678 (P=0.0019). CONCLUSION Our results suggest that the PPARGC1A rs8192678 polymorphism is associated with an increased risk of HCC in Moroccan population and may serve as a prognostic marker for liver cancer.
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Affiliation(s)
- Ikram-Allah Tanouti
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
- Laboratory of Cellular and Molecular Pathology Infectious Diseases and Systemic Immunology Team, Faculty of Medicine and Pharmacy, University Hassan II of Casablanca, Morocco.
| | - Hassan Fellah
- Laboratory of Cellular and Molecular Pathology Infectious Diseases and Systemic Immunology Team, Faculty of Medicine and Pharmacy, University Hassan II of Casablanca, Morocco.
| | - Raouia El Fihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | - Chaimaa Zerrad
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | - Karima Abounouh
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | | | | | | | | | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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Karami A, El Fihry R, Haddaji A, Jadid FZ, Zaidane I, Chihab H, Ouladlahsen A, Tahiri M, Pineau P, Akarid K, Benjelloun S, Ezzikouri S. Epidemiological characteristics of acute hepatitis A, 2013-2016: a cross-sectional study in Morocco. Infect Dis (Lond) 2023; 55:625-634. [PMID: 37368360 DOI: 10.1080/23744235.2023.2228405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 06/19/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND Hepatitis A virus (HAV) is the common cause of acute hepatitis worldwide. Indeed, hepatitis A is endemic in developing countries such in Morocco and most residents are exposed in childhood. The characterisation of circulating strains of HAV remains crucial to understand the virological evolution and geo-temporal characteristics, which are essential for controlling infections and outbreaks. The purpose of the current study was the detection and characterisation of HAV strains circulating in Morocco by performing serological test, RT-PCR, sequencing and phylogenetic analysis. METHODS In this cross-sectional study, 618 suspected acute hepatitis cases were examined by Architect HAV abIgM. Of the 162 positives, 64 underwent RNA extraction. None of the suspected cases was immune to HAV and none of them had received a blood transfusion. Samples found positive by RT-PCR using primers targeting the VP1/VP2A junction and the VP1/VP3 capsid region of HAV were subjected to sequencing and phylogenetic analyses. RESULTS HAV Acute infection rate was 26.2% [95% CI, 22.8-29.9], while viraemia reached 45% (29/64) after amplification of the VP3/VP1 region. Phylogenetic analysis of the VP1/2A segment revealed the presence of sub-genotypes IA and IB. Eighty-seven percent of the strains belonged to the subgenotype IA, while twelve percent to IB subgenotype. CONCLUSION This first molecular study of acute hepatitis A in Morocco provided information about genetic diversity of HAV, revealing the co-circulating of only two subgenotypes (IA and IB). Notably, subgenotype IA was found to be the predominant subgenotype in Morocco.
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Affiliation(s)
- Adnane Karami
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Santé et Environnement, Faculté des Sciences Aïn Chock, Casablanca, Morocco
| | - Raouia El Fihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Santé et Environnement, Faculté des Sciences Aïn Chock, Casablanca, Morocco
| | - Asmaa Haddaji
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Ahd Ouladlahsen
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
- Faculté de médecine et de pharmacie, Université Hassan II, Casablanca, Morocco
| | - Mohamed Tahiri
- Faculté de médecine et de pharmacie, Université Hassan II, Casablanca, Morocco
- Service d'Hépato-Gastro-Entérologie, CHU Ibn Rochd, Casablanca, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Khadija Akarid
- Santé et Environnement, Faculté des Sciences Aïn Chock, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Abounouh K, Tanouti IA, Ouladlahsen A, Tahiri M, Badre W, Dehbi H, Sarih M, Benjelloun S, Pineau P, Ezzikouri S. The peroxisome proliferator-activated receptor γ coactivator-1 alpha rs8192678 (Gly482Ser) variant and hepatitis B virus clearance. Infect Dis (Lond) 2023; 55:614-624. [PMID: 37376899 DOI: 10.1080/23744235.2023.2228403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/06/2023] [Accepted: 06/18/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Chronic hepatitis B virus (CHB) infection is still incurable a major public health problem. It is yet unclear how host genetic factors influence the development of HBV infection. The peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PPARGC1A) has been shown to regulate hepatitis B virus (HBV). Several reports found that PPARGC1A variants are involved in a number of distinct liver diseases. Here we investigate whether the PPARGC1A rs8192678 (Gly482Ser) variant is involved in the spontaneous clearance of acute HBV infection and if it participates in chronic disease progression in Moroccan patients. METHODS Our study included 292 chronic hepatitis B (CHB) patients and 181 individuals who spontaneously cleared-HBV infection. We genotyped the rs8192678 SNP using a TaqMan allelic discrimination assay and then explored its association with spontaneous HBV clearance and CHB progression. RESULTS Our data showed that individuals carrying CT and TT genotypes were more likely to achieve spontaneous clearance (OR = 0.48, 95% CI (0.32-0.73), p = 0.00047; OR = 0.28, 95% CI (0.15-0.53), p = 0.00005, respectively). Subjects carrying the mutant allele T were more likely to achieve spontaneous clearance (OR = 0.51, 95% CI (0.38-0.67), P = 2.68E-06). However, when we investigated the impact of rs8192678 on the progression of liver diseases, we neither observe any influence (p > 0.05) nor found any significant association between ALT, AST, HBV viral loads, and the PPARGC1A rs8192678 genotypes in patients with CHB (p > 0.05). CONCLUSION Our result suggests that PPARGC1A rs8192678 may modulate acute HBV infection, and could therefore represent a potential predictive marker in the Moroccan population.
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Affiliation(s)
- Karima Abounouh
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratory of Cellular and Molecular Pathology, Medical School, University Hassan II
| | - Ikram-Allah Tanouti
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Ahd Ouladlahsen
- Faculté de médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Mohamed Tahiri
- Faculté de médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Wafaa Badre
- Faculté de médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Hind Dehbi
- Laboratory of Cellular and Molecular Pathology, Medical School, University Hassan II
| | - M'hammed Sarih
- Service de Parasitologie et des Maladies Vectorielles, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Zerrad C, Lkhider M, Belkouchi A, Tanouti IA, Badre W, Tahiri M, Ayassi S, Marchio A, Pineau P, Benjelloun S, Ezzikouri S. Association between TLR2, TLR4, and TLR5 genetic variants and the risk of hepatocellular carcinoma in Moroccan population. Nucleosides Nucleotides Nucleic Acids 2023; 42:986-1003. [PMID: 37330637 DOI: 10.1080/15257770.2023.2225560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 06/19/2023]
Abstract
Hepatocellular carcinoma (HCC) is the fifth most common human malignancy and the fourth most frequent cause of cancer-related deaths worldwide. Toll-like receptors (TLRs), are known to play a key role in hepatocarcinogenesis through induction of inflammation. We aimed to investigate the association between TLR2 rs3804099, TLR4 rs4986790, rs4986791, and rs11536889 and TLR5 rs5744174 and HCC risk in a total of 306 Moroccan subjects, including 152 HCC patient and 154 controls using a TaqMan allelic discrimination assay. Our result showed that the frequency of TLR4 rs11536889 C allele was higher in control group than in HCC patients (OR = 0.52, 95% CI = 0.30-0.88, p = 0.01). Moreover, under the dominant model, we observed that CG/CC genotypes were protective factors against HCC risk (OR = 0.51, 95% CI = 0.28-0.91, p = 0.02). However, no significant differences were found in the allele and genotype frequencies of TLR4 rs4986790 and rs4986791, between HCC patients and controls. Similarly, genotypic frequencies of TLR2 and TLR5 polymorphisms did not differ significantly between HCC patients and controls. However, TLR4 haplotype analysis revealed that ACC haplotype may be protective of HCC risk in patients with HCC (OR = 0.53, 95% CI = 0.31-0.92, p = 0.02). In conclusion, our result suggest that TLR4 rs11536889 polymorphism and ACC haplotype may decrease risk of hepatocellular carcinoma in Moroccan population.
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Affiliation(s)
- Chaimaa Zerrad
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratory of Virology, Oncology, Biosciences, Environment and New Energies, University Hassan II Casablanca Faculty des Sciences Techniques, Mohammedia, Morocco
| | - Mustapha Lkhider
- Laboratory of Virology, Oncology, Biosciences, Environment and New Energies, University Hassan II Casablanca Faculty des Sciences Techniques, Mohammedia, Morocco
| | | | - Ikram-Allah Tanouti
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Wafaa Badre
- CHU Ibn Rochd, Médecine B, Casablanca, Morocco
| | - Mohamed Tahiri
- CHU Ibn Rochd, Médecine B, Casablanca, Morocco
- Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Sarra Ayassi
- Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Agnès Marchio
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Ezzemani W, Windisch MP, Altawalah H, Guessous F, Saile R, Benjelloun S, Kettani A, Ezzikouri S. Design of a multi-epitope Zika virus vaccine candidate - an in-silico study. J Biomol Struct Dyn 2023; 41:3762-3771. [PMID: 35318896 DOI: 10.1080/07391102.2022.2055648] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 03/15/2022] [Indexed: 01/12/2023]
Abstract
Zika virus (ZIKV), an RNA virus, rapidly spreads Aedes mosquito-borne sickness. Currently, there are neither effective vaccines nor therapeutics available to prevent or treat ZIKV infection. In this study, to address these unmet medical needs, we aimed to design B- and T-cell candidate multi-epitope-based subunit against ZIKV using an in silico approach. In this study we applied immunoinformatics, molecular docking, and dynamic simulation assessments targeting the most immunogenic proteins; the capsid (C), envelope (E) proteins and the non-stuctural protein (NS1), described in our previous study, and which predicted immunodominant B and T cell epitopes. The final non-allergenic and highly antigenic multi-epitope was constituted of immunogenic screened-epitopes (3 CTL and 3 HTL) and the β-defensin as an adjuvant that have been linked using EAAAK, AAY, and GPGPG linkers, respectively. The final construct containing 143 amino acids was characterized for its allergenicity, antigenicity, and physiochemical properties; and found to be safe and immunogenic with a good prediction of solubility. The existence of IFN-γ epitopes asserts the capacity to trigger strong immune responses. Subsequently, the molecular docking among vaccine and immune receptors (TLR2/TLR4) was revealed with a good binding affinity with and stable molecular interactions. Molecular dynamics simulation confirmed the stability of the complexes. Finally, the construct was subjected to in silico cloning demonstrating the efficiently of its expression in E.coli. However, this study needs the experimental validation to demonstrate vaccine safety and efficacy.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Wahiba Ezzemani
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Marc P Windisch
- Applied Molecular Virology Laboratory, Discovery Biology Department, Institut Pasteur Korea, Gyeonggi-do, South Korea
| | - Haya Altawalah
- Department of Microbiology, Faculty of Medicine, Kuwait University, Kuwait
- Virology Unit, Yacoub Behbehani center, Sabah Hospital, Ministry of Health, Kuwait
| | - Fadila Guessous
- Faculty of Medicine, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Rachid Saile
- Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Anass Kettani
- Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Ezzemani W, Kettani A, Sappati S, Kondaka K, El Ossmani H, Tsukiyama-Kohara K, Altawalah H, Saile R, Kohara M, Benjelloun S, Ezzikouri S. Reverse vaccinology-based prediction of a multi-epitope SARS-CoV-2 vaccine and its tailoring to new coronavirus variants. J Biomol Struct Dyn 2022:1-22. [PMID: 35549819 DOI: 10.1080/07391102.2022.2075468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The genome feature of SARS-CoV-2 leads the virus to mutate and creates new variants of concern. Tackling viral mutations is also an important challenge for the development of a new vaccine. Accordingly, in the present study, we undertook to identify B- and T-cell epitopes with immunogenic potential for eliciting responses to SARS-CoV-2, using computational approaches and its tailoring to coronavirus variants. A total of 47 novel epitopes were identified as immunogenic triggering immune responses and no toxic after investigation with in silico tools. Furthermore, we found these peptide vaccine candidates showed a significant binding affinity for MHC I and MHC II alleles in molecular docking investigations. We consider them to be promising targets for developing peptide-based vaccines against SARS-CoV-2. Subsequently, we designed two efficient multi-epitopes vaccines against the SARS-CoV-2, the first one based on potent MHC class I and class II T-cell epitopes of S (FPNITNLCPF-NYNYLYRLFR-MFVFLVLLPLVSSQC), M (MWLSYFIASF-GLMWLSYFIASFRLF), E (LTALRLCAY-LLFLAFVVFLLVTLA), and N (SPRWYFYYL-AQFAPSASAFFGMSR). The second candidate is the result of the tailoring of the first designed vaccine according to three classes of SARS-CoV-2 variants. Molecular docking showed that the protein-protein binding interactions between the vaccines construct and TLR2-TLR4 immune receptors are stable complexes. These findings confirmed that the final multi-epitope vaccine could be easily adapted to new viral variants. Our study offers a shortlist of promising epitopes that can accelerate the development of an effective and safe vaccine against the virus and its adaptation to new variants.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Wahiba Ezzemani
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Anass Kettani
- Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Subrahmanyam Sappati
- Department of Pharmaceutical Technology and Biochemistry, Gdańsk University of Technology, Gdańsk, Poland.,BioTechMed Center, Gdańsk University of Technology, Gdańsk, Poland
| | - Kavya Kondaka
- Department of Pharmaceutical Technology and Biochemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Hicham El Ossmani
- Institut de Criminalistique de la Gendarmerie Royale, AMSSNuR, Rabat, Morocco
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Haya Altawalah
- Department of Microbiology, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait.,Virology Unit, Yacoub Behbehani Center, Sabah Hospital, Ministry of Health, Kuwait City, Kuwait
| | - Rachid Saile
- Laboratoire de Biologie et Santé (URAC34), Départment de Biologie, Faculté des Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, The Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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8
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Ezzikouri S, Nourlil J, Tsukiyama-Kohara K, Kohara M, El Ossmani H, Windisch MP, Benjelloun S. Nanobodies: an unexplored opportunity to combat COVID-19. J Biomol Struct Dyn 2022; 40:3129-3131. [PMID: 33172342 PMCID: PMC7678357 DOI: 10.1080/07391102.2020.1845801] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 10/29/2020] [Indexed: 12/21/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a highly contagious disease caused by severe acute respiratory coronavirus 2 (SARS-CoV-2). This virus is capable of human-to-human transmission, and is spreading rapidly round the globe, with markedly high fatality rates. Unfortunately, there are neither vaccines nor specific therapies available to combat it, and the developments of such approaches depend on pursuing multiple avenues in biomedical science. Accordingly, in this paper we highlight one such avenue-nanobodies-for potential utility in therapeutic and diagnostic interventions to combat COVID-19.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Jalal Nourlil
- Medical Virology and BSL3 Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, The Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Hicham El Ossmani
- Institut de Criminalistique de la Gendarmerie Royale, Rabat, Morocco
| | - Marc P. Windisch
- Applied Molecular Virology Laboratory, Discovery Biology Department, Institut Pasteur Korea, Gyeonggi-do, South Korea
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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9
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Abounouh K, Kayesh MEH, Altawalah H, Kitab B, Murakami S, Ogawa S, Tanaka Y, Dehbi H, Pineau P, Kohara M, Benjelloun S, Tsukiyama-Kohara K, Ezzikouri S. Blocking neddylation elicits antiviral effect against hepatitis B virus replication. Mol Biol Rep 2021; 49:403-412. [PMID: 34716866 DOI: 10.1007/s11033-021-06886-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [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: 06/27/2021] [Accepted: 09/23/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Hepatitis B Virus (HBV) is the most common cause of chronic liver disease worldwide. The mechanisms that regulate HBV viral replication remain poorly defined. Here, we show that blocking of the neddylation elicits antiviral effect against HBV replication, indicating that NEDD8 supports viral production. METHODS AND RESULTS To explore role of neddylation, HBV-replicating HepG2.2.15.7 cells and HBV-infected HepG2-hNTCP-30 cells were treated with siNEDD8 and MLN4924, a potent and selective NEDD8-activating enzyme inhibitor. Cell viability, intracellular and extracellular HBV DNA, covalently closed circular DNA (cccDNA), HBsAg, HBeAg, and HBcrAg were measured to assess the consequences of the various treatments on viral replication. Our data showed that HBV infection increased NEDD8 expression in human liver cell lines. Symmetrically, NEDD8 knockdown by siRNA or MLN4924 treatments decreased HBV replication in HepG2.2.15.7 and HepG2-hNTCP-30 cells. Notably, HBsAg, and HBeAg secretions were strongly suppressed in the culture supernatants, but not the HBcrAg. These results indicate that the suppression of NEDD8 decreases HBV replication. However, cccDNA steady level confirms once again its persistence and longevity in chronic infection. CONCLUSION The manipulation of the neddylation pathway can thus provide new tools interfering with HBV persistence as well as novel therapeutic strategies against chronic hepatitis B.
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Affiliation(s)
- Karima Abounouh
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1 Place Louis Pasteur, Casablanca, 20360, Morocco.,Laboratory of Genetics and Molecular Pathology, Medical School, University Hassan II, Casablanca, Morocco
| | - Mohammad Enamul Hoque Kayesh
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.,Department of Microbiology and Public Health, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal, 8210, Bangladesh
| | - Haya Altawalah
- Department of Microbiology, Faculty of Medicine, Kuwait University, Safat, Kuwait.,Virology Unit, Yacoub Behbehani Center, Sabah Hospital, Ministry of Health, Safat, Kuwait
| | - Bouchra Kitab
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Shuko Murakami
- Department of Virology and Liver Unit, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Shintaro Ogawa
- Department of Virology and Liver Unit, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - Yasuhito Tanaka
- Department of Virology and Liver Unit, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.,Department of Gastroenterology and Hepatology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Hind Dehbi
- Laboratory of Genetics and Molecular Pathology, Medical School, University Hassan II, Casablanca, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1 Place Louis Pasteur, Casablanca, 20360, Morocco
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1 Place Louis Pasteur, Casablanca, 20360, Morocco.
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10
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Abbadi I, Lkhider M, Kitab B, Jabboua K, Zaidane I, Haddaji A, Nacer S, Matsuu A, Pineau P, Tsukiyama-Kohara K, Benjelloun S, Ezzikouri S. Non-primate hepacivirus transmission and prevalence: Novel findings of virus circulation in horses and dogs in Morocco. Infect Genet Evol 2021; 93:104975. [PMID: 34175479 DOI: 10.1016/j.meegid.2021.104975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 06/15/2021] [Accepted: 06/19/2021] [Indexed: 10/21/2022]
Abstract
Non-primate hepacivirus (NPHV) is a homolog of hepatitis C virus and has been isolated from dogs and horses. Data on NPHV prevalence and distribution are not complete, and there is a particular lack of reports from the African continent. The present study represents the first investigation of NPHV prevalence in horses and dogs in North Africa. Blood was collected from 172 horses and 36 dogs at different locations in Morocco, and screened for NPHV RNA using nested PCR targeting 5'UTR and NS3 regions and analyzed for anti-NPHV NS3 antibody using a Gaussia luciferase immunoprecipitation system-to determine seroprevalence. Eight sequences of the NS3 region isolated from positive serum samples were targeted for phylogenetic analysis. Horses and dogs showed respective NPHV RNA positivity rates of 10.5% and 5.5%, and seroprevalences of 65.7% and 8.33%. Juvenile horses appeared more susceptible to infection, with a 23.5% NHPV RNA positivity rate. Seropositivity was more extensive in mares than stallions (77.14% vs. 46.27%, p < 0.0001). Phylogenetically, that NPHV NS3 genes isolated from horses and dog are clustered together. The NPHV strains we detected showed no correlation with geographic location within Morocco. In conclusion, Moroccan horses showed much evidence of previous and/or current NPHV infection, with young age and female sex as noted potential risk factors. Interestingly, NPHV is circulating in dogs as well as horses, suggesting that it has crossed species barriers and that horses and dogs are potential vectors by which an ancestor to hepatitis C virus was transmitted into human populations.
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Affiliation(s)
- Islam Abbadi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco; Laboratory of Biosciences, School of Sciences and Technology, Mohammedia, Hassan II University of Casablanca, Morocco
| | - Mustapha Lkhider
- Laboratory of Biosciences, School of Sciences and Technology, Mohammedia, Hassan II University of Casablanca, Morocco
| | - Bouchra Kitab
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | | | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Asmaa Haddaji
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sabrine Nacer
- Laboratory of Biosciences, School of Sciences and Technology, Mohammedia, Hassan II University of Casablanca, Morocco
| | - Aya Matsuu
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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11
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Chihab H, Elmessaoudi-Idrissi M, Kitab B, Elfihry R, Jadid FZ, Zaidane I, Kettani A, Pineau P, Ezzikouri S, Benjelloun S. Molecular and computational analysis of natural drug resistance mutations among Moroccan chronic hepatitis B carriers. Gene Reports 2021. [DOI: 10.1016/j.genrep.2021.101197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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12
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Elmessaoudi-Idrissi M, Windisch MP, Kettani A, Altawalah H, Pineau P, Benjelloun S, Ezzikouri S. An Integrative Gene Expression Microarray Meta-analysis Identifies Host Factors and Key Signatures Involved in Hepatitis B Virus Infection. Infect Disord Drug Targets 2021; 20:698-707. [PMID: 31389317 DOI: 10.2174/1871526519666190807153901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 04/22/2019] [Revised: 07/11/2019] [Accepted: 07/15/2019] [Indexed: 11/22/2022]
Abstract
Hepatitis B virus (HBV) is a global health concern. Viral and host factors orchestrate the natural history of HBV infection, but the impact of host factors that influence the clinical course of the disease remains poorly understood. The aim of this study was to identify host factors crucial to the HBV life cycle by conducting a meta-analysis utilizing public microarray datasets. METHODS An integrative meta-analysis of expression data from two microarray datasets of HBVinfected liver tissues and healthy uninfected livers was conducted to identify gene expression signatures and overlapping biological processes modulating infection/disease. RESULTS Using integrative meta-analysis of expression data (INMEX), we identified across two datasets a total of 841 genes differentially expressed during HBV infection, including 473 upregulated and 368 downregulated genes. In addition, through functional enrichment and pathway analysis, we observed that Jak-STAT, TLR, and NF-κB are the most relevant signaling pathways in chronic HBV infection. The network-based meta-analysis identified NEDD8, SKP2, JUN, and HIF1A as the most highly ranked hub genes. CONCLUSION Thus, these results may provide valuable information about novel potential host factors modulating chronic HBV infection. Such factors may serve as potential targets for the development of novel therapeutics such as activin receptor-like kinase inhibitors.
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Affiliation(s)
| | - Marc P Windisch
- Hepatitis Research Laboratory, Discovery Biology Department, Institut Pasteur Korea, Seongnam-si, Gyeonggi-do, Korea
| | - Anass Kettani
- Biology Laboratory and Health (URAC34), Department of Biology, Faculty of Sciences Ben Msik, Hassan II University of Casablanca, Casablanca, Morocco
| | - Haya Altawalah
- Department of Microbiology, Faculty of Medicine, Kuwait University, Kuwait
| | - Pascal Pineau
- Unite "Organization Nuclear and Oncogenesis", INSERM U993, Institut Pasteur, Paris, France
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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13
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Baba H, Kettani A, Bouqdayr M, Ouladlahsen A, Bensghir R, Marih L, Sodqi M, Benjelloun S, Ezzikouri S, Zaidane I, Jadid FZ, Filali KME, Wakrim L. Programmed cell death-1 single-nucleotide polymorphism rs10204525 is associated with human immunodeficiency virus type 1 RNA viral load in HIV-1-infected Moroccan subjects. Med Microbiol Immunol 2021; 210:187-196. [PMID: 34031715 DOI: 10.1007/s00430-021-00712-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 05/15/2021] [Indexed: 10/21/2022]
Abstract
Human Immunodeficiency Virus (HIV-1) infections are characterized by dysfunctional cellular and humoral antiviral immune responses. The progressive loss of effector functions in chronic viral infection has been associated with the up-regulation of programmed death-1 (PD-1), a negative regulator of activated T cells and Natural Killer cells. In HIV-1 infection, increased levels of PD-1 expression correlate with CD8 + T-cell exhaustion. In vitro, PD-1 blockade using PD-1 antibodies led to an increase in HIV-1 specific CD8 + T and memory B cell proliferation. We aimed to investigate the impact of PDCD1 rs10204525 polymorphism on HIV-1 susceptibility, AIDS development, and treatment response outcomes in HIV-1 infection in a Moroccan population. A total of 214 HIV-1 seropositive and 250 seronegative subjects were enrolled to investigate the association between the between the single-nucleotide polymorphism (SNP) rs10204525 of PDCD1 gene and HIV-1 pathogenesis using a predesigned TaqMan SNP genotyping assay. No significant association was found between rs10204525 and susceptibility to HIV-1 infection and AIDS development (p > 0.05). Genotype frequencies were significantly associated with the viral load before ART (p = 0.0105). HIV-1 viral load was significantly higher among subjects with the CC compared to TT genotype (p = 0.0043). In treated subjects, the median of viral load levels was significantly higher in CC and CT groups than TT subjects (p < 0.005). However, analysis of the correlation between CD4 + T-cell levels and PDCD1 polymorphism before and after ART showed no significant difference (p > 0.05). Our results demonstrated that rs10204525 polymorphism does not affect HIV-1 infection. However, this polymorphism may affect the response to treatment as measured by RNA viral load levels.
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Affiliation(s)
- Hanâ Baba
- Virology Unit, Immuno-Virology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
- Laboratory of Biology and Health, URAC 34, Faculty of Sciences Ben M'Sik, Hassan II University-Casablanca, Casablanca, Morocco.
| | - Anass Kettani
- Laboratory of Biology and Health, URAC 34, Faculty of Sciences Ben M'Sik, Hassan II University-Casablanca, Casablanca, Morocco
| | - Meryem Bouqdayr
- Virology Unit, Immuno-Virology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratory of Biology and Health, URAC 34, Faculty of Sciences Ben M'Sik, Hassan II University-Casablanca, Casablanca, Morocco
| | - Ahd Ouladlahsen
- Service Des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Rajaa Bensghir
- Service Des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Latifa Marih
- Service Des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Mustapha Sodqi
- Service Des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Lahcen Wakrim
- Virology Unit, Immuno-Virology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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14
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Assaid N, Arich S, Ezzikouri S, Benjelloun S, Dia M, Faye O, Akarid K, Beck C, Lecollinet S, Failloux AB, Sarih M. Serological evidence of West Nile virus infection in human populations and domestic birds in the Northwest of Morocco. Comp Immunol Microbiol Infect Dis 2021; 76:101646. [PMID: 33845402 DOI: 10.1016/j.cimid.2021.101646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 01/25/2021] [Revised: 03/08/2021] [Accepted: 03/15/2021] [Indexed: 10/21/2022]
Abstract
West Nile virus (WNV) was recently detected in Culex pipiens mosquitoes in Morocco. The aim of this study was to evaluate the seroprevalence of WNV in humans and in domestic birds in two regions of Morocco by the detection of IgG antibodies. Blood samples were obtained from 91 human patients and 92 domestic birds from September to December 2019. All study samples were tested using competitive enzyme-linked immunosorbent assay (cELISA) and WNV neutralization tests (VNT) were performed on positive sera. Of all samples, 4 (4.39 %) humans and 4 (4.34 %) birds were found to be seropositive for flaviviruses by the cELISA test. The VNT revealed that three of the four human samples detected positive by cELISA contained neutralizing antibodies against WNV. Two bird samples were confirmed positive by VNT. These results show a significant seroprevalence of anti-WNV antibodies and therefore suggest the active circulation and exposure of human and bird populations in the northwest of Morocco.
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Affiliation(s)
- Najlaa Assaid
- Institut Pasteur du Maroc, Service de Parasitologie et des Maladies Vectorielles, Place Louis Pasteur, Casablanca 20360, Morocco; Molecular Genetics and Immunophysiopathology Research Team, Health and Environment Laboratory, Aïn Chock Faculty of Sciences, University of Hassan II Casablanca (UH2C), Casablanca, Morocco.
| | - Soukaina Arich
- Institut Pasteur du Maroc, Service de Parasitologie et des Maladies Vectorielles, Place Louis Pasteur, Casablanca 20360, Morocco.
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco.
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco.
| | - Moussa Dia
- Virology Department, Institut Pasteur de Dakar, 36 Avenue Pasteur, Dakar, Senegal.
| | - Oumar Faye
- Virology Department, Institut Pasteur de Dakar, 36 Avenue Pasteur, Dakar, Senegal.
| | - Khadija Akarid
- Molecular Genetics and Immunophysiopathology Research Team, Health and Environment Laboratory, Aïn Chock Faculty of Sciences, University of Hassan II Casablanca (UH2C), Casablanca, Morocco.
| | - Cécile Beck
- UMR1161 Virologie, INRAE, ANSES, Ecole Nationale Vétérinaire d'Alfort, Université Paris-Est, Maisons-Alfort, France.
| | - Sylvie Lecollinet
- UMR1161 Virologie, INRAE, ANSES, Ecole Nationale Vétérinaire d'Alfort, Université Paris-Est, Maisons-Alfort, France.
| | - Anna-Bella Failloux
- Department of Virology, Institut Pasteur, Arboviruses and Insect Vectors Unit, Paris, France.
| | - M'hammed Sarih
- Institut Pasteur du Maroc, Service de Parasitologie et des Maladies Vectorielles, Place Louis Pasteur, Casablanca 20360, Morocco.
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15
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Chihab H, Badre W, Tahiri M, Jadid FZ, Zaidane I, Elfihry R, Marchio A, Pineau P, Ezzikouri S, Benjelloun S. IFNL4 rs12979860 polymorphism influences HBV DNA viral loads but not the outcome of HBV infection in Moroccan patients. Microbes Infect 2021; 23:104802. [PMID: 33607264 DOI: 10.1016/j.micinf.2021.104802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [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: 06/22/2020] [Revised: 01/20/2021] [Accepted: 02/08/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVES The interferon (IFN) is known to bridge innate and adaptive immune responses, and to play a critical role particularly against hepatitis B virus (HBV) infection. Defects in IFN signals may result, therefore, in attenuated responses against HBV. Accordingly, polymorphisms in genes coding for immune response effectors may affect the clinical outcome of HBV infection. We analyzed the putative association between IFNL4 rs12979860 polymorphism and the outcome of HBV infection in Moroccan patients. METHODS In this study, 237 chronic HBV (CHB) patients and 129 spontaneously resolved HBV (SRB) individuals were enrolled and genotyped using a predesigned Taqman allelic discrimination assay. RESULTS Our data show a significant increase of HBV DNA loads in patients with IFNL4 rs12979860 CC genotype compared to patients with CT and TT genotypes (p = 0.0008). However, there was no consistent association between IFNL4 rs12979860 polymorphism and the outcome of HBV infection. CONCLUSIONS Although IFNL4 rs12979860 polymorphism seems to modulate circulating HBV DNA levels, it is disconnected from chronic disease progression. This observation suggests that the role of rs12979860 in liver disease is restricted to viral control and inactive in the deleterious immune pathology that affects liver tissue. Taken together, our data suggest that rs12979860 CC genotypes could be useful as a predictor of success or failure of IFN-based therapy in chronic HBV-infected patients.
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Affiliation(s)
- Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Wafaa Badre
- Faculté de Médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Mohamed Tahiri
- Faculté de Médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Raouia Elfihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Agnès Marchio
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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16
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Elmessaoudi-Idrissi M, Tsukiyama-Kohara K, Nourlil J, Kettani A, Windisch MP, Kohara M, Malik YS, Dhama K, Benjelloun S, Ezzikouri S. Structure-guided discovery approach identifies potential lead compounds targeting M pro of SARS-CoV-2. Virusdisease 2020; 31:549-553. [PMID: 33200084 PMCID: PMC7656896 DOI: 10.1007/s13337-020-00627-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 08/21/2020] [Indexed: 12/27/2022] Open
Abstract
The ongoing coronavirus disease 19 caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become fatal for the world with affected population crossing over 25 million in more than 217 countries, consequently declared a global pandemic by the World Health Organization. Unfortunately, neither specific prophylactic or therapeutic drugs nor vaccines are available. To address the unmet medical needs, we explored a strategy identifying new compounds targeting the main protease (Mpro) of SARS-CoV-2. Targeting the SARS-CoV-2 Mpro crystal structure (PDB ID: 6LU7) a combination of in silico screening, molecular docking, and dynamic approaches, a set of 5000 compounds of the ZINC database were screened. As a result, we identified and ranked the top 20 compounds based on the scores of ligand-interaction, their drug-likeness properties, and their predicted antiviral efficacies. The prominent drug-like and potent inhibitory compounds are 2-[2-(2-aminoacetyl) aminoacetyl] amino-3-(4-hydroxyphenyl)-propanamide (ZINC000004762511), 6'-fluoroaristeromycin (ZINC000001483267) and cyclo (L-histidyl-L-histidyl) (ZINC000005116916) scaffolds. Further in vitro and in vivo validations are required to demonstrate anti-SARS-CoV-2 activities.
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Affiliation(s)
- Mohcine Elmessaoudi-Idrissi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco
- Laboratoire de Biologie Et Santé (URAC34), Département de Biologie, Faculté Des Sciences Ben Msik, Université Hassan II de Casablanca, Casablanca, Morocco
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Jalal Nourlil
- Medical Virology and BSL3 Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Anass Kettani
- Laboratoire de Biologie Et Santé (URAC34), Département de Biologie, Faculté Des Sciences Ben Msik, Université Hassan II de Casablanca, Casablanca, Morocco
| | - Marc P. Windisch
- Applied Molecular Virology Laboratory, Discovery Biology Department, Institut Pasteur Korea, Seongnam-si, Gyeonggi-do, South Korea
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, The Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yashpal Singh Malik
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh India
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
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17
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Ezzikouri S, Nourlil J, Benjelloun S, Kohara M, Tsukiyama-Kohara K. Coronavirus disease 2019-Historical context, virology, pathogenesis, immunotherapy, and vaccine development. Hum Vaccin Immunother 2020; 16:2992-3000. [PMID: 32755425 PMCID: PMC8641599 DOI: 10.1080/21645515.2020.1787068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/20/2020] [Accepted: 06/09/2020] [Indexed: 01/08/2023] Open
Abstract
The current Coronavirus Disease 2019 (COVID-19) pandemic is causing great alarm around the world. The pathogen for COVID-19 - severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) - is the seventh known coronavirus to cause pneumonia in humans. While much remains unknown about SARS-CoV-2, physicians and researchers have begun to publish relevant findings, and much evidence is available on coronaviruses previously circulating in human and animal populations. In this review, we situate COVID-19 in its context as a transboundary viral disease, and provide a comprehensive discussion focused on the discovery, spread, virology, pathogenesis, and clinical features of this disease, its causative coronaviral pathogen, and approaches to combating the disease through immunotherapies and other treatments and vaccine development. An epidemiological survey revealed a potentially large number of asymptomatic SARS-CoV-2 carriers within the population, which may hamper efforts against COVID-19. Finally, we emphasize that vaccines against SARS-CoV-2, which may be developed by 2021, will be essential for prevention of COVID-19.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit¸ Viral Hepatitis Laboratory, Institut Pasteur Du Maroc, Casablanca, Morocco
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Jalal Nourlil
- Medical Virology and BSL3 Laboratory, Institut Pasteur Du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit¸ Viral Hepatitis Laboratory, Institut Pasteur Du Maroc, Casablanca, Morocco
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, The Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
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Ezzemani W, Windisch MP, Kettani A, Altawalah H, Nourlil J, Benjelloun S, Ezzikouri S. Immuno-informatics-based identification of novel potential B cell and T cell epitopes to fight Zika virus infections. Infect Disord Drug Targets 2020; 21:572-581. [PMID: 32778040 DOI: 10.2174/1871526520666200810153657] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [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: 03/29/2020] [Revised: 05/23/2020] [Accepted: 06/23/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Globally, the recent outbreak of Zika virus (ZIKV) in Brazil, Asia Pacific, and other countries highlighted the unmet medical needs. Currently, there are neither effective vaccines nor therapeutics available to prevent or treat ZIKV infection. OBJECTIVE In this study, we aimed to design an epitope-based vaccine for ZIKV using an in silico approach to predict and analyze B- and T-cell epitopes. METHODS The prediction of the most antigenic epitopes has targeted the capsid and the envelope proteins as well as nonstructural proteins NS5 and NS3 using immune-informatics tools PROTPARAM, CFSSP, PSIPRED, and Vaxijen v2.0. B and T-cell epitopes were predicted using ABCpred, IEDB, TepiTool, and their toxicity were evaluated using ToxinPred. The 3-dimensional epitope structures were generated by PEP-FOLD. Energy minimization was performed using Swiss-Pdb Viewer, and molecular docking was conducted using PatchDock and FireDock server. RESULTS As a result, we predicted 307 epitopes of MHCI (major histocompatibility complex class I) and 102 epitopes of MHCII (major histocompatibility complex class II). Based on immunogenicity and antigenicity scores, we identified the four most antigenic MHC I epitopes: MVLAILAFLR (HLA-A*68 :01), ETLHGTVTV (HLA-A*68 :02), DENHPYRTW (HLA-B*44 :02),QEGVFHTMW (HLA-B*44 :03) and TASGRVIEEW (HLA-B*58:01), and MHC II epitopes: IIKKFKKDLAAMLRI (HLA-DRB3*02 :02), ENSKMMLELDPPFGD (HLA-DRB3*01:01), HAETWFFDENHPYRT (HLA-DRB3*01:01), TDGVYRVMTRRLLGS (HLA-DRB1*11 :01), and DGCWYGMEIRPRKEP (HLA-DRB5*01:01). CONCLUSION This study provides novel potential B cell and T cell epitopes to fight Zika virus infections and may prompt further development of vaccines against ZIKV and other emerging infectious diseases. However, further investigations for protective immune response by in vitro and in vivo studies to ratify the immunogenicity, safety of the predicted structure, and ultimately the vaccine properties to prevent ZIKV infections are warranted.
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Affiliation(s)
- Wahiba Ezzemani
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca. Morocco
| | - Marc P Windisch
- Applied Molecular Virology Laboratory, Discovery Biology Department, Institut Pasteur Korea, Seongnamsi, Gyeonggi-do. South Korea
| | - Anass Kettani
- Laboratoire de Biologie et Santé (URAC34), Département de Biologie, Faculté des Sciences Ben Msik, Hassan II University Of Casablanca. Morocco
| | - Haya Altawalah
- Department of Microbiology, Faculty of Medicine, Kuwait University. Kuwait
| | - Jalal Nourlil
- Medical Virology and BSL3 Laboratory, Institut Pasteur du Maroc, Casablanca. Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca. Morocco
| | - Sayeh Ezzikouri
- Laboratoire de Biologie et Santé (URAC34), Département de Biologie, Faculté des Sciences Ben Msik, Hassan II University Of Casablanca. Morocco
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Ouladlahsen A, Bensghir R, Baba H, Haddaji A, Abbadi I, Zaidane I, Badi H, Sodqi M, Marih L, Wakrim L, Marhoum El Filali K, Benjelloun S, Ezzikouri S. Lack of Association between IFNL3 Polymorphism and Human Papillomavirus Infection and Their Progression in HIV-Infected Women Receiving Antiretroviral Treatment. Pathobiology 2020; 87:262-267. [PMID: 32428907 DOI: 10.1159/000507763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/18/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND It has been reported that interferon-λ3 (IFNL3)might influence the pathogenesis and clearance of human papillomavirus (HPV) infection. The impact of IFNL3 single-nucleotide polymorphism (SNP) on HPV infection is currently unknown. The aim of this study was to investigate the association between variants in the IFNL3 region and HPV infection in women with human immunodeficiency virus (HIV) infection. METHODS A total of 236 HIV patients, including 65 HPV-negative and 171 HPV DNA-positive women, were enrolled into this study. The IFNL3 rs12979860 polymorphism was genotyped using a predesigned TaqMan SNP genotyping assay. RESULTS Data showed no significant differences in genotypes or allele frequencies between the HPV DNA-positive and the HPV-negative women (p > 0.05). After dividing the HPV-positive women according to cytology results into patients with abnormal and normal lesions, the genotype and allele distribution of the SNP did not significantly differ between the 2 groups (p > 0.05). CONCLUSIONS Our results showed that the IFNL3 rs12979860 polymorphism is not a major determinant of the susceptibility to HPV infection and their progression to abnormal cervical lesions in women living with HIV.
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Affiliation(s)
- Ahd Ouladlahsen
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Rajaa Bensghir
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Hanâ Baba
- Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Asmaa Haddaji
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Islam Abbadi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hanan Badi
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Mustapha Sodqi
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Latifa Marih
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Lahcen Wakrim
- Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco,
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20
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Ezzikouri S, Hoque Kayesh ME, Benjelloun S, Kohara M, Tsukiyama-Kohara K. Targeting Host Innate and Adaptive Immunity to Achieve the Functional Cure of Chronic Hepatitis B. Vaccines (Basel) 2020; 8:vaccines8020216. [PMID: 32403281 PMCID: PMC7349973 DOI: 10.3390/vaccines8020216] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 02/06/2023] Open
Abstract
Despite the availability of an effective preventive vaccine for hepatitis B virus (HBV) for over 38 years, chronic HBV (CHB) infection remains a global health burden with around 257 million patients. The ideal treatment goal for CHB infection would be to achieve complete cure; however, current therapies such as peg-interferon and nucleos(t)ide analogs are unable to achieve the functional cure, the newly set target for HBV chronic infection. Considering the fact functional cure has been accepted as an endpoint in the treatment of chronic hepatitis B by scientific committee, the development of alternative therapeutic strategies is urgently needed to functionally cure CHB infection. A promising target for future therapeutic strategies is immune modulation to restore dysfunctional HBV-specific immunity. In this review, we provide an overview of the progress in alternative therapeutic strategies, including immune-based therapeutic approaches that enhance host innate and adaptive immunity to achieve and increase the functional cure from CHB infection.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca 20250, Morocco;
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan;
- Correspondence: (S.E.); (K.T.-K.); Tel.: +212-5-2243-4470 (S.E.); Tel./Fax: +81-99-285-3589 (K.T.-K.)
| | - Mohammad Enamul Hoque Kayesh
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan;
- Department of Microbiology and Public Health, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal 8210, Bangladesh
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca 20250, Morocco;
| | - Michinori Kohara
- Department of Microbiology and Cell Biology, The Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan;
| | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan;
- Correspondence: (S.E.); (K.T.-K.); Tel.: +212-5-2243-4470 (S.E.); Tel./Fax: +81-99-285-3589 (K.T.-K.)
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21
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ElFihry R, Elmessaoudi-Idrissi M, Jadid FZ, Zaidane I, Chihab H, Tahiri M, Kabine M, Badre W, Chemin I, Marchio A, Pineau P, Ezzikouri S, Benjelloun S. Effect of Peroxisome Proliferator-Activated Receptor-γ Coactivator-1 Alpha Variants on Spontaneous Clearance and Fibrosis Progression during Hepatitis C Virus Infection in Moroccan Patients. Virol Sin 2020; 35:566-574. [PMID: 32297157 DOI: 10.1007/s12250-020-00220-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 02/08/2020] [Indexed: 12/18/2022] Open
Abstract
Hepatitis C virus (HCV) is still one of the main causes of liver disease worldwide. Metabolic disorders, including non-alcoholic fatty liver disease (NAFLD), induced by HCV have been shown to accelerate the progression of fibrosis to cirrhosis and to increase the risk of hepatocellular carcinoma. An optimal peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PPARGC1A) activity is crucial to prevent NAFLD installation. The present study aims to investigate the associations between two common PPARGC1A polymorphisms (rs8192678 and rs12640088) and the outcomes of HCV infection in a North African context. A series of 592 consecutive Moroccan subjects, including 292 patients with chronic hepatitis C (CHC), 100 resolvers and 200 healthy controls were genotyped using a TaqMan allelic discrimination assay. PPARGC1A variations at rs8192678 and rs12640088 were not associated with spontaneous clearance of HCV infection (adjusted ORs = 0.76 and 0.79 respectively, P > 0.05, for both). Furthermore, multivariable logistic regression analysis showed that both SNPs were not associated with fibrosis progression (OR = 0.71; 95% CI 0.20-2.49; P = 0.739; OR = 1.28; 95% CI 0.25-6.54; P = 0.512, respectively). We conclude that, in the genetic context of South Mediterranean patients, rs8192678 and rs12640088 polymorphisms of PPARGC1A are neither associated with spontaneous clearance nor with disease progression in individuals infected with HCV.
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Affiliation(s)
- Raouia ElFihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco
- Laboratoire Santé et Environnement, département de Biologie, Faculté des Sciences Ain Chock, University Hassan II of Casablanca, 20360, Casablanca, Morocco
| | | | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco
| | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco
| | - Mohamed Tahiri
- Service d'Hépato-Gastro-Entérologie, CHU Ibn Rochd, 20360, Casablanca, Morocco
| | - Mostafa Kabine
- Laboratoire Santé et Environnement, département de Biologie, Faculté des Sciences Ain Chock, University Hassan II of Casablanca, 20360, Casablanca, Morocco
| | - Wafaa Badre
- Service d'Hépato-Gastro-Entérologie, CHU Ibn Rochd, 20360, Casablanca, Morocco
| | - Isabelle Chemin
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM 1052, CNRS 5286, Lyon Cedex 03, France
| | - Agnes Marchio
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, 75015, Paris, France
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, 75015, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco.
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 20360, Casablanca, Morocco.
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22
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Abounouh K, Aitraise I, Benabou A, Boussakri I, Doumir MA, El Boussairi C, El Idrissi S, El Mahdaoui C, Qouar DE, Ennahal A, Fathi S, Hafidi M, Lachker L, Ratib C, Tanouti IA, Maaroufi A, Benjelloun S, Guessous F, Pineau P, Ezzikouri S. Virus-associated human cancers in Moroccan population: From epidemiology to prospective research. Infect Genet Evol 2019; 75:103990. [PMID: 31386915 DOI: 10.1016/j.meegid.2019.103990] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 07/25/2019] [Accepted: 08/02/2019] [Indexed: 12/24/2022]
Abstract
Eight human viruses have been classified by the International Agency for Research on Cancer as carcinogenic or probably carcinogenic for humans. Infection with high risk human papillomaviruses, hepatitis B and C viruses, Epstein-Barr virus (EBV), human T-Cell Lymphotropic Virus Type 1 (HTLV-1), Human herpesvirus 8 (HHV-8), Merkel cell polyomavirus and human immunodeficiency virus-1 (HIV1) alone or in combination with other agents are the main etiologic factors of many cancers. This review highlights some aspects of virus-associated human cancers, potentially responsible for >14,000 malignancies per year in Morocco. Given that not all individuals infected with these viruses develop cancer, somatic alterations, genetic predisposition, and lifestyle or environmental factors obviously play potentializing roles modulating viral activity. These viral, host genetic signatures and lifestyle interactions may represent a reservoir of biomarkers for early detection, prevention of cancer and rationale-based therapy.
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Affiliation(s)
- Karima Abounouh
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco; Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Imane Aitraise
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Anas Benabou
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | | | | | | | | | | | - Dalal El Qouar
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Afaf Ennahal
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Sofia Fathi
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Maria Hafidi
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Lamyae Lachker
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Chorouk Ratib
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | | | - Abderrahmane Maaroufi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Fadila Guessous
- Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Pascal Pineau
- Unité Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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Karamichali E, Chihab H, Kakkanas A, Marchio A, Karamitros T, Pogka V, Varaklioti A, Kalliaropoulos A, Martinez-Gonzales B, Foka P, Koskinas I, Mentis A, Benjelloun S, Pineau P, Georgopoulou U. HCV Defective Genomes Promote Persistent Infection by Modulating the Viral Life Cycle. Front Microbiol 2018; 9:2942. [PMID: 30559733 PMCID: PMC6287115 DOI: 10.3389/fmicb.2018.02942] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [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: 07/20/2018] [Accepted: 11/15/2018] [Indexed: 12/19/2022] Open
Abstract
Defective interfering (DI) RNAs have been detected in several human viruses. HCV in-frame deletions mutants (IFDMs), missing mainly the envelope proteins, have been found in patient sera and liver tissues. IFDMs replicate independently and can be trans-packaged into infectious virions in the presence of full length viral genome. So far, their biological role is unclear. In this study, we have isolated and cloned IFDMs from sera samples and liver tissues of patients infected with HCV genotypes 1b, 2a, and 3a. IFDMs were present in up to 26% of samples tested. Using the in vitro HCV cell culture system, co-expression of the wild type (wt) HCV replicon with HCV IFDMs RNA resulted in increased HCV replication. Additionally, co-transfection of the HCV full length genome RNA and a defective mutant missing the envelope region led to increased viral release, collectively suggesting an important biological role for IFDMs in the virus life cycle. Recently, exosomes, masters of intercellular communication, have been implicated in the transport of HCV viral genomes. We report for the first time that exosomal RNA isolated from HCV sera samples contains HCV defective genomes. We also demonstrate that inhibition of exosomal biogenesis and release influences HCV viral replication. Overall, we provide evidence that the presence of HCV IFDMs affects both viral replication and release. IFDMs exploit exosomes as means of transport, a way to evade the immune system, to spread more efficiently and possibly maintain persistent infection.
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Affiliation(s)
- Eirini Karamichali
- Molecular Virology Laboratory, Hellenic Pasteur Institute, Athens, Greece
| | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Agnes Marchio
- Institut Pasteur, INSERM U993, Unité "Organisation Nucléaire et Oncogenèse", Paris, France
| | | | - Vasiliki Pogka
- Medical Microbiology Laboratory, Hellenic Pasteur Institute, Athens, Greece
| | - Agoritsa Varaklioti
- Blood Center and National Centre for Congenital Bleeding Disorders, Laiko General Hospital, Athens, Greece
| | | | | | - Pelagia Foka
- Molecular Virology Laboratory, Hellenic Pasteur Institute, Athens, Greece
| | - Ioannis Koskinas
- 2nd Department of Internal Medicine, Medical School of Athens, Hippokration General Hospital, Athens, Greece
| | - Andreas Mentis
- Medical Microbiology Laboratory, Hellenic Pasteur Institute, Athens, Greece
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Pascal Pineau
- Institut Pasteur, INSERM U993, Unité "Organisation Nucléaire et Oncogenèse", Paris, France
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Chihab H, Zaidane I, Elhabazi A, Jadid FZ, El Fihri R, Elmessaoudi-Idrissi M, Chair M, Badre W, Tahiri M, Pineau P, Chemin I, Ezzikouri S, Benjelloun S. Toll-like receptor 9 polymorphisms and Hepatitis B virus clearance in Moroccan chronic carriers. Gene 2018; 687:212-218. [PMID: 30453064 DOI: 10.1016/j.gene.2018.11.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [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: 07/06/2018] [Revised: 11/11/2018] [Accepted: 11/15/2018] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Toll-like receptor 9 (TLR9) plays a crucial role in the innate immune response against viral infections. The failure of this system may result, in an attenuated immune response against HBV. Recent research has focused on the possibility of targeting the defects in TLR9 pathway as a novel approach for anti-HBV treatment. Our study aimed to assess the impact of both TLR9 rs5743836 and rs187084 polymorphisms on spontaneous HBV clearance in Moroccan chronic HBV carriers. METHODS In this study, 239 individuals chronically infected with HBV (CHB) and 133 subjects who spontaneously resolved the infection (SRB) were genotyped using a Taqman allelic discrimination assay. RESULTS/CONCLUSION Remarkably, we observed a dosage effect of both SNPs on viral loads; with a significant increase of circulating HBV DNA within AA, AG to GG rs5743836 genotypes, whereas the inverse phenomenon was noticed within rs187084 genotypes. There were no consistent association between TLR9 polymorphisms and spontaneous clearance of HBV, however, a significant association was observed between rs187084 AA genotype and HBV progression to advanced liver disease. Further studies on larger populations might be necessary to understand the modulating effect of TLR9 polymorphisms on HBV loads that remain a viral factor of paramount importance to predict HCC development.
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Affiliation(s)
- Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco; Laboratoire de Biotechnologie, Biochimie et Nutrition - Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, 24000 El Jadida, Morocco
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Abdellah Elhabazi
- Laboratoire de Biotechnologie, Biochimie et Nutrition - Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, 24000 El Jadida, Morocco
| | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Raouia El Fihri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Mohammed Chair
- Laboratoire de Biotechnologie, Biochimie et Nutrition - Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, 24000 El Jadida, Morocco
| | - Wafaa Badre
- Faculté de médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Mohamed Tahiri
- Faculté de médecine de Casablanca, CHU Ibn Rochd, Casablanca, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Isabelle Chemin
- INSERM U1052, CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon Université Claude Bernard, Lyon, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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Ezzikouri S, Elfihry R, Chihab H, Elmessaoudi-Idrissi M, Zaidane I, Jadid FZ, Karami A, Tahiri M, Elhabazi A, Kabine M, Chair M, Pineau P, Benjelloun S. Effect of MBOAT7 variant on hepatitis B and C infections in Moroccan patients. Sci Rep 2018; 8:12247. [PMID: 30116012 PMCID: PMC6095921 DOI: 10.1038/s41598-018-30824-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 07/23/2018] [Indexed: 02/06/2023] Open
Abstract
The outcomes of HBV and HCV infections are associated both with viral and host genetic factors. Here, we explore the role of a genetic variation located in membrane-bound O-acyltransferase domain-containing protein 7 (MBOAT7) gene on spontaneous clearance of HBV and HCV infections and on liver fibrosis. We genotyped MBOAT7 rs641738 polymorphism in 971 consecutive Moroccan subjects, including 288 patients with chronic hepatitis C (CHC), 98 cases with spontaneous clearance of HCV, 268 patients with chronic hepatitis B (CHB), 126 spontaneously cleared HBV infections and 191 healthy controls. MBOAT7 rs641738 variant is not associated with spontaneous clearance of HBV (OR = 0.67, 95% CI: 0.39-1.14; p = 0.131) and HCV infections (OR = 1.33, 95% CI: 0.79-2.23; p = 0.278). Furthermore, multivariable logistic regression analysis adjusted for biologically relevant covariates and potential confounders associated with the risk of liver disease progression revealed that MBOAT7 rs641738 is not associated either with fibrosis progression in CHC group (OR = 1.12; 95% CI: 0.55-2.28; p = 0.761) or with chronic progressive state in CHB patients (OR = 0.81; 95% CI: 0.41-1.61; p = 0.547). We conclude that the variant MBOAT7 rs641738 genotype is not associated with spontaneous clearance of HBV and HCV infections or with the progression of liver disease in chronic hepatitis B or C in a genetic context of Mediterranean patients.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | - Raouia Elfihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Santé et Environnement, Faculté des Sciences Aïn Chock, Casablanca, Morocco
| | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- Laboratoire de Biotechnologie, Biochimie et Nutrition, Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, El Jadida, Morocco
| | | | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Fatima Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Adnane Karami
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Mohamed Tahiri
- Service d'Hépato-Gastro-Entérologie, CHU Ibn Rochd, Casablanca, Morocco
| | - Abdellah Elhabazi
- Laboratoire de Biotechnologie, Biochimie et Nutrition, Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, El Jadida, Morocco
| | - Mostafa Kabine
- Santé et Environnement, Faculté des Sciences Aïn Chock, Casablanca, Morocco
| | - Mohammed Chair
- Laboratoire de Biotechnologie, Biochimie et Nutrition, Université Chouaib Doukkali, Faculté des Sciences d'El Jadida, El Jadida, Morocco
| | - Pascal Pineau
- Unité "Organisation Nucléaire et Oncogenèse", INSERM U993, Institut Pasteur, Paris, France
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Chihab H, Jadid FZ, Foka P, Zaidane I, El Fihry R, Georgopoulou U, Marchio A, Elhabazi A, Chair M, Pineau P, Ezzikouri S, Benjelloun S. Programmed cell death-1 3'-untranslated region polymorphism is associated with spontaneous clearance of hepatitis B virus infection. J Med Virol 2018; 90:1730-1738. [PMID: 30016557 DOI: 10.1002/jmv.25265] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [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: 04/23/2018] [Accepted: 06/18/2018] [Indexed: 12/29/2022]
Abstract
Hepatitis B virus (HBV)-specific CD8+ T cells play an important role in the clearance of HBV infection. Programmed cell death-1 (PD-1), an immunosuppressive molecule that regulates T-cell activation and peripheral immune tolerance, is increasingly shown to influence the outcome of HBV infection. rs10204525, a single-nucleotide polymorphism in the 3'-untranslated region (3'-UTR) of PD-1, has been associated with susceptibility and disease progression of chronic HBV infection in far-eastern patients. The aim of our study was to assess the impact of rs10204525 variation on HBV infection in Moroccan patients. A total of 236 patients with chronic HBV infection and 134 individuals with spontaneous HBV resolution were genotyped using a Taqman assay. In addition, PD-1 mRNA expression in peripheral blood nuclear cells was determined by quantitative reverse-transcription polymerase chain reaction. We found that the AA genotype is protective (odds ratio, 0.43; 95% confidence interval, 0.19 to 0.97; P = 0.038) against HBV infection. Interestingly, PD-1 messenger RNA (mRNA) expression analysis has revealed that chronic HBV carriers with GG and GA displayed higher levels of PD-1 mRNA compared with corresponding genotypes in resolved subjects (P = 0.031 and 0.014, respectively). Our data suggest that Mediterranean HBV-infected patients carrying PD-1 GG and GA genotypes at rs10204525 have high PD-1 mRNA expression and may be more prone to installation of chronicity.
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Affiliation(s)
- Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Laboratoire de Biotechnologie, Biochimie et Nutrition, Faculté des Sciences d'El Jadida, Université Chouaib Doukkali, El Jadida, Morocco
| | - Fatima-Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Pelagia Foka
- Molecular Virology Laboratory, Hellenic Pasteur Institute, Athens, Greece
| | - Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Raouia El Fihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | | | - Agnes Marchio
- Unité Organisation Nucléaire et Oncogenèse, INSERM U2993, Institut Pasteur, Paris, France
| | - Abdellah Elhabazi
- Laboratoire de Biotechnologie, Biochimie et Nutrition, Faculté des Sciences d'El Jadida, Université Chouaib Doukkali, El Jadida, Morocco
| | - Mohammed Chair
- Laboratoire de Biotechnologie, Biochimie et Nutrition, Faculté des Sciences d'El Jadida, Université Chouaib Doukkali, El Jadida, Morocco
| | - Pascal Pineau
- Unité Organisation Nucléaire et Oncogenèse, INSERM U2993, Institut Pasteur, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Elmessaoudi-Idrissi M, Blondel A, Kettani A, Windisch MP, Benjelloun S, Ezzikouri S. Virtual Screening in Hepatitis B Virus Drug Discovery: Current Stateof- the-Art and Future Perspectives. Curr Med Chem 2018; 25:2709-2721. [PMID: 29473495 DOI: 10.2174/0929867325666180221141451] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [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: 07/06/2017] [Revised: 11/21/2017] [Accepted: 02/16/2018] [Indexed: 11/22/2022]
Abstract
Hepatitis B Virus (HBV) is a major global health burden. Interferon alpha and nucleos(t)ide analogues are currently the standard-of-care for chronic HBV infection. However, these antiviral agents have limited efficacy and do not result in a sustained virological response in the majority of infected patients. Virtual Screening (VS) strategies have now a strong impact on drug discovery, the strength of this research field has been corroborated by recent contributions in the development of novel drug candidates which are in clinical trials or which are already available in the clinics. In this context, different VS strategies have been applied to HBV in order to discover novel inhibitors. In this review, we summarize the VS efforts to identify and design novel HBV interventions. We believe that the combination of in silico and in vitro tools can lead to faster validation of novel drug targets which could accelerate the HBV drug discovery and development efforts.
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Affiliation(s)
- Mohcine Elmessaoudi-Idrissi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Laboratoire de Biologieet Sante (URAC34), Departement de Biologie, Faculté des Sciences Ben Msik, Universite Hassan II de Casablanca, Morocco
| | - Arnaud Blondel
- Unite de Bioinformatique Structurale, CNRS UMR 3528, Departement de Biologie Structurale et Chimie, Institut Pasteur, Paris, France
| | - Anass Kettani
- Laboratoire de Biologieet Sante (URAC34), Departement de Biologie, Faculté des Sciences Ben Msik, Universite Hassan II de Casablanca, Morocco
| | - Marc P Windisch
- Hepatitis Research Laboratory, Discovery Biology Department, Institut Pasteur Korea, Seongnam-si, Gyeonggi-do, Korea
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Ouladlahsen A, Fayssel N, Bensghir R, Baba H, Lamdini H, Sodqi M, Marih L, Essebbani M, Nadifi S, Benjelloun S, Himmich H, Chakib A, Wakrim L, Marhoum El Filali K, Ezzikouri S. The Human papillomavirus among women living with Human Immunodeficiency Virus in Morocco A prospective cross-sectional study. J Infect Dev Ctries 2018; 12:477-484. [DOI: 10.3855/jidc.9711] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 01/05/2018] [Indexed: 10/31/2022] Open
Abstract
Introduction: Women infected with human immunodeficiency virus (HIV) have a higher risk of contracting human papillomavirus (HPV) infections and are more prone to develop cervical cancer. The objective of this study was to determine the prevalence of HPV and its association with risk factors among Moroccan women living with HIV/AIDS.
Methodology: We enrolled 251 HIV-infected non-pregnant women in Morocco from February 2013 to September 2016. Sociodemographic, lifestyles, behavioral and clinical data were collected. Polymerase chain reaction followed by sequencing were performed for molecular detection and HPV genotyping in cervical samples, respectively.
Results: Abnormal cervical smears were found in 34/246 patients (13.82%). The overall prevalence of HPV was 74.50%. HPV 58 was the most prevalent (39.29%) followed by HPV 18 (10.71%), HPV 70 (8.93%), HPV 33 (7.14%), HPV 6 (6.25%) and other genotypes (< 3%). Overall, high-risk HPV (HR-HPV) types were present in 75% (84/112) of patients and the prevalence of HR-HPV types in samples with abnormal Pap was higher than in normal Pap (55/83, 66.27% vs. 28/83, 33.33%, p < 0.0001). Univariate analyses showed that none of the socio-demographic and behaviors factors was associated with HPV infection. Moreover, Pap results were not affected by HPV status (p = 0.532). Whereas, CD4 T-cell counts above 200/mm3 at enrolment were apparently not protective to HPV infection. We found a high prevalence of HPV infection and HR-HPV types among HIV-positive women that significantly associated with abnormal Pap.
Conclusion: Our findings suggest a high prevalence of HPV infection with high-risk types was observed among HIV-positive women warrant to implement a regular screening by Pap smear.
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Fakhir FZ, Lkhider M, Badre W, Alaoui R, Meurs EF, Pineau P, Ezzikouri S, Benjelloun S. Genetic variations in toll-like receptors 7 and 8 modulate natural hepatitis C outcomes and liver disease progression. Liver Int 2018; 38:432-442. [PMID: 28752959 DOI: 10.1111/liv.13533] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [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: 01/19/2017] [Accepted: 07/18/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS The natural outcomes of hepatitis C virus (HCV) as well as the progression of the liver disease are highly variable and depend primarily on an efficient immune response. As toll-like receptors seven (TLR7) and eight (TLR8) are important effectors of the innate immunity, this study aims to evaluate the association between TLR7 and TLR8 polymorphisms and the HCV infection outcomes in Moroccan subjects. METHODS In this case-control study, 643 subjects including 293 mild chronic hepatitis patients, 119 with advanced liver disease (AdLD), 93 with HCV spontaneous clearance and 138 healthy controls were genotyped using TaqMan SNPs assays. RESULTS Patients carrying TLR7 rs179008-A allele were more likely to clear the virus spontaneously (P = .0001 for women, and P < .001 for men). Besides, carriage of TLR7 rs179009-A allele was associated with a twofold increase in spontaneous viral clearance in female patients (P = .0002), but not in men. In addition, we observed that TLR7 rs179008-T and rs179009-G alleles increased the risk of disease progression in both sexes (P < .05). TLR8 rs3764880-G allele was associated with spontaneous HCV clearance in both sexes (P < .0001) albeit with an apparently stronger association in males (OR = 6.02 for men vs 2.2 for women). In males, TLR8 rs3764879-C and TLR8 rs3764880-A alleles were significantly associated with AdLD status (P < .05). CONCLUSIONS Our results suggest that variations in TLR7 and TLR8 genes modulate the clearance and progression of HCV infection with different magnitudes between sexes. Our results refine, therefore, our understanding of the sex-specific differences observed regarding the susceptibility to chronic hepatitis.
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Affiliation(s)
- Fatima-Zohra Fakhir
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.,Faculté des Sciences d'El Jadida, Université Chouaib Doukkali, El Jadida, Morocco
| | - Mustapha Lkhider
- Laboratoire des Biosciences, Faculté des Sciences et Techniques de Mohammedia, Université Hassan II de Casablanca, Casablanca, Morocco
| | - Wafaa Badre
- Service de Medicine B, CHU Ibn Rochd, Casablanca, Morocco
| | - Rhimou Alaoui
- Service de Medicine B, CHU Ibn Rochd, Casablanca, Morocco
| | - Eliane F Meurs
- Unit Hepacivirus and Innate Immunity, Department Virology, Institut Pasteur, Paris, France
| | - Pascal Pineau
- Unité Organisation Nucléaire et Oncogenèse, Institut Pasteur, INSERM U993, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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Zaidane I, Wakrim L, Oulad Lahsen A, Bensghir R, Chihab H, Jadid FZ, El Fihry R, Lamdini H, Fayssel N, Marhoum El Filali K, Oudghiri M, Benjelloun S, Ezzikouri S. Interleukin 28B rs12979860 genotype and Human Immunodeficiency Virus type 1: Susceptibility, AIDS development and therapeutic outcome. Hum Immunol 2018; 79:70-75. [PMID: 29080719 DOI: 10.1016/j.humimm.2017.10.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 08/31/2017] [Accepted: 10/24/2017] [Indexed: 01/02/2023]
Abstract
Human Immunodeficiency Virus type 1 (HIV-1) infection and progression varies widely among individuals. Interferon-λ3 exerts anti-HIV function by activating JAK/STAT pathway-mediated innate immunity. Therefore, we aimed to investigate the association between single nucleotide polymorphisms of the interleukin 28B (IL28B) gene, and the risk of acquisition, AIDS development and therapeutic outcome of HIV-1 in a Moroccan population. A total of 266 HIV-1 seropositive and 158 HIV-1 seronegative subjects were enrolled. Genotyping of rs12979860 of the IL28B was performed using a predesigned TaqMan SNP genotyping assay. No significant association was found between IL28B rs12979860 polymorphism and susceptibility to HIV-1 infection and AIDS development (p > .05). However, in HIV-1 treated patients carrying CC genotype had a more pronounced high levels of CD4+ T-cell compared to subjects with TT genotype (p = .0004). Interestingly, regarding HIV-1 viral load no significant differences between IL28B genotypes in treated and untreated patients were observed (p < .05). IL28B rs12979860 polymorphism not influences the susceptibility to HIV-1 and the AIDS development. However, this polymorphism may affect the response to treatment as measured by CD4+ T cell counts.
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Affiliation(s)
- Imane Zaidane
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco; Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Lahcen Wakrim
- Laboratoire Immunologie et Biodiversité, département de Biologie, Faculté des Sciences Ain Chock, University Hassan II of Casablanca, Casablanca, Morocco
| | - Ahd Oulad Lahsen
- Service des maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Rajaa Bensghir
- Service des maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Fatima Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Raouia El Fihry
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hassan Lamdini
- Service des maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - Naouar Fayssel
- Laboratoire Immunologie et Biodiversité, département de Biologie, Faculté des Sciences Ain Chock, University Hassan II of Casablanca, Casablanca, Morocco
| | | | - Mounia Oudghiri
- Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco.
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31
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Ezzikouri S, Chihab H, Elhabazi A, Wakrim L, Benjelloun S. Lack of Ser267Phe variant of sodium taurocholate cotransporting polypeptide among Moroccans regardless of hepatitis B virus infection status. BMC Infect Dis 2017; 17:99. [PMID: 28125961 PMCID: PMC5270288 DOI: 10.1186/s12879-017-2214-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 01/20/2017] [Indexed: 12/15/2022] Open
Abstract
Background The sodium taurocholate co-transporting polypeptide, encoded by SLC10A1, was identified as a functional receptor for hepatitis B virus (HBV). The objective of this study was to determine if there was an association of the Ser267Phe variant (rs2296651) with HBV infection status in Moroccan patients. Methods Using a TaqMan 5’ allelic discrimination assay, the Ser267Phe variant was genotyped in 286 chronic hepatitis B patients, 135 individuals with spontaneous clearance from HBV infection and 109 healthy controls negative for hepatitis B serological markers. Results In this cohort, we detected only wild-type genotype (S267S) in all groups. This polymorphism was not associated with the HBV infection status in Moroccan patients. Conclusions The S267F variant is absent among Moroccans regardless of chronic HBV infection status.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1, Place Louis Pasteur, 20360, Casablanca, Morocco.
| | - Hajar Chihab
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1, Place Louis Pasteur, 20360, Casablanca, Morocco.,Cell Biology Department, Faculty of Sciences, Chouaib Doukkali University, El-Jadida, Morocco
| | - Abdellah Elhabazi
- Cell Biology Department, Faculty of Sciences, Chouaib Doukkali University, El-Jadida, Morocco
| | - Lahcen Wakrim
- Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1, Place Louis Pasteur, 20360, Casablanca, Morocco
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32
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Rebbani K, Ababou M, Nadifi S, Kandil M, Marchio A, Pineau P, Ezzikouri S, Benjelloun S. Myxovirus resistance 1 gene polymorphisms and outcomes of viral hepatitis B and C infections in Moroccan patients. J Med Virol 2016; 89:647-652. [PMID: 27458866 DOI: 10.1002/jmv.24642] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/18/2016] [Indexed: 12/15/2022]
Abstract
Host genetic factors may influence the establishment of chronicity or spontaneous clearance in viral hepatitis B and C infections. More light was shed on the role played by interferon-stimulated genes in the innate immunity. Myxovirus resistance 1 (MX1) is one of those key genes that have reported to inhibit several viruses. The present study aims to explore the possible association of -88G/T and -123C/A promoter variants of MX1 with susceptibility to chronic hepatitis B and C and/or with spontaneous clearance in a Moroccan population. The -88G/T and -123C/A SNPs were genotyped by PCR-RFLP in 538 individuals stratified into HBV chronically infected patients (n = 120), HCV-chronically infected patients (n = 115), HBV spontaneously resolved subjects (n = 114), HCV spontaneously resolved group (n = 52), and healthy controls (n = 137). A significant association of -123C allele with HBV spontaneous clearance has been found (P = 0.002, OR = 2.34; 95%CI [1.36-4]). In addition, a significant correlation between the MX1-GC haplotype and HBV spontaneous clearance (P < 0.001) was found. No significant association of -88G/T and -123C/A polymorphisms with regard to HCV infection was observed in this study. Here, we show that for North African patients with chronic hepatitis, MX1 gene variation at position -123 may influence the outcome of HBV infection but not HCV infection. J. Med. Virol. 89:647-652, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Khadija Rebbani
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc., Casablanca, Morocco
| | - Mostafa Ababou
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc., Casablanca, Morocco
| | - Sellama Nadifi
- Laboratoire de génétique médicale et de pathologie moléculaire, Faculté de Médecine et de Pharmacie, Casablanca, Morocco
| | - Mostafa Kandil
- Equipe d'Anthropogénétique et biotechnologies, Faculté des Sciences, Université Chouaïb Doukkali., El Jadida, Morocco
| | - Agnès Marchio
- Unité «Organisation nucléaire et oncogenèse», INSERM U993, Institut Pasteur, Paris, France
| | - Pascal Pineau
- Unité «Organisation nucléaire et oncogenèse», INSERM U993, Institut Pasteur, Paris, France
| | - Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc., Casablanca, Morocco
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc., Casablanca, Morocco
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33
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Ezzikouri S, Jadid FZ, Hamdi S, Wakrim L, Tsukiyama-Kohara K, Benjelloun S. Supplementing Conventional Treatment with Pycnogenol® May Improve Hepatitis C Virus-Associated Type 2 Diabetes: A Mini Review. J Clin Transl Hepatol 2016; 4:228-233. [PMID: 27777890 PMCID: PMC5075005 DOI: 10.14218/jcth.2016.00021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 05/18/2016] [Revised: 06/20/2016] [Accepted: 07/07/2016] [Indexed: 12/20/2022] Open
Abstract
Hepatitis C virus (HCV) infection and type 2 diabetes mellitus (T2DM) present a significant health burden, with increasing complications and mortality rates worldwide. Pycnogenol® (PYC), a natural product, possesses antidiabetic and antiviral properties that may improve HCV-associated T2DM. In this review, we present previously published data on the effectiveness of PYC against HCV replication and T2DM. We believe that supplementing conventional treatment with PYC may improve the current HCV therapy, attenuate HCV-associated T2DM, and reduce the risk of complications such as cirrhosis or hepatocellular carcinoma and cardiovascular disease.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
- *Correspondence to: Sayeh Ezzikouri, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, 1 Place Louis Pasteur, Casablanca 20360, Morocco. Tel: +212-5-27016076, +212-5-22434450, Fax: +212-5-22260957, E-mail:
| | - Fatima Zahra Jadid
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Salsabil Hamdi
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Lahcen Wakrim
- Virology Unit, Immunovirology Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Kyoko Tsukiyama-Kohara
- Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
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34
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Akil A, Peng J, Omrane M, Gondeau C, Desterke C, Marin M, Tronchère H, Taveneau C, Sar S, Briolotti P, Benjelloun S, Benjouad A, Maurel P, Thiers V, Bressanelli S, Samuel D, Bréchot C, Gassama-Diagne A. Septin 9 induces lipid droplets growth by a phosphatidylinositol-5-phosphate and microtubule-dependent mechanism hijacked by HCV. Nat Commun 2016; 7:12203. [PMID: 27417143 PMCID: PMC4947189 DOI: 10.1038/ncomms12203] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 06/07/2016] [Indexed: 01/09/2023] Open
Abstract
The accumulation of lipid droplets (LD) is frequently observed in hepatitis C virus (HCV) infection and represents an important risk factor for the development of liver steatosis and cirrhosis. The mechanisms of LD biogenesis and growth remain open questions. Here, transcriptome analysis reveals a significant upregulation of septin 9 in HCV-induced cirrhosis compared with the normal liver. HCV infection increases septin 9 expression and induces its assembly into filaments. Septin 9 regulates LD growth and perinuclear accumulation in a manner dependent on dynamic microtubules. The effects of septin 9 on LDs are also dependent on binding to PtdIns5P, which, in turn, controls the formation of septin 9 filaments and its interaction with microtubules. This previously undescribed cooperation between PtdIns5P and septin 9 regulates oleate-induced accumulation of LDs. Overall, our data offer a novel route for LD growth through the involvement of a septin 9/PtdIns5P signalling pathway.
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Affiliation(s)
- Abdellah Akil
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,Laboratoire des Hépatites Virales, Département de Virologie. Institut Pasteur du Maroc, BP 20360 Casablanca, Maroc.,Faculté des Sciences, Laboratoire de Biochimie-Immunologie, Univ. Mohammed V, Rabat, Maroc
| | - Juan Peng
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,DHU Hepatinov, Villejuif F-94800, France
| | - Mohyeddine Omrane
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,DHU Hepatinov, Villejuif F-94800, France
| | - Claire Gondeau
- INSERM U1183, Institute of Regenerative Medicine and Biotherapy, University of Montpellier, 34295 Montpellier, France.,Department of Hepato-Gastroenterology A, Hospital Saint Eloi, CHRU, 34295 Montpellier, France
| | | | - Mickaël Marin
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France
| | - Hélène Tronchère
- INSERM U1048, I2MC and Université Paul Sabatier, 31432 Toulouse, France
| | - Cyntia Taveneau
- Virologie Moléculaire et Structurale CNRS UPR 3296 - INRA UsC 1358, 91198 Gif-sur-Yvette, France
| | - Sokhavuth Sar
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France
| | - Philippe Briolotti
- INSERM U1183, Institute of Regenerative Medicine and Biotherapy, University of Montpellier, 34295 Montpellier, France.,Department of Hepato-Gastroenterology A, Hospital Saint Eloi, CHRU, 34295 Montpellier, France
| | - Soumaya Benjelloun
- Laboratoire des Hépatites Virales, Département de Virologie. Institut Pasteur du Maroc, BP 20360 Casablanca, Maroc
| | - Abdelaziz Benjouad
- Faculté des Sciences, Laboratoire de Biochimie-Immunologie, Univ. Mohammed V, Rabat, Maroc.,Univ. Internationale de Rabat, Sala Al Jadida, Maroc
| | - Patrick Maurel
- INSERM U1183, Institute of Regenerative Medicine and Biotherapy, University of Montpellier, 34295 Montpellier, France.,Department of Hepato-Gastroenterology A, Hospital Saint Eloi, CHRU, 34295 Montpellier, France
| | | | - Stéphane Bressanelli
- Virologie Moléculaire et Structurale CNRS UPR 3296 - INRA UsC 1358, 91198 Gif-sur-Yvette, France
| | - Didier Samuel
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,DHU Hepatinov, Villejuif F-94800, France.,AP-HP Hôpital Paul-Brousse, Centre Hépato-Biliaire, Villejuif F-94800, France
| | - Christian Bréchot
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,Institut Pasteur, 75724 Paris, France
| | - Ama Gassama-Diagne
- INSERM, Unité 1193, F-94800 Villejuif, France.,University of Paris-Sud, UMR-S 1193, F-94800 Villejuif, France.,DHU Hepatinov, Villejuif F-94800, France
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Fakhir FZ, Lkhider M, Badre W, Alaoui R, Pineau P, Ezzikouri S, Benjelloun S. The -94Ins/DelATTG polymorphism in NFκB1 promoter modulates chronic hepatitis C and liver disease progression. Infection, Genetics and Evolution 2016; 39:141-146. [DOI: 10.1016/j.meegid.2016.01.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 12/22/2015] [Accepted: 01/26/2016] [Indexed: 12/26/2022]
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Zabaleta A, Riezu-Boj JI, Larrea E, Villanueva L, Lasarte JJ, Guruceaga E, Fisicaro P, Ezzikouri S, Missale G, Ferrari C, Benjelloun S, Prieto J, Sarobe P. Gene expression analysis during acute hepatitis C virus infection associates dendritic cell activation with viral clearance. J Med Virol 2015; 88:843-51. [PMID: 26447929 DOI: 10.1002/jmv.24399] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2015] [Indexed: 12/21/2022]
Abstract
Viral clearance during acute hepatitis C virus (HCV) infection is associated with the induction of potent antiviral T-cell responses. Since dendritic cells (DC) are essential in the activation of primary T-cell responses, gene expression was analyzed in DC from patients during acute HCV infection. By using microarrays, gene expression was compared in resting and activated peripheral blood plasmacytoid (pDC) and myeloid (mDC) DC from acute HCV resolving patients (AR) and from patients who become chronically infected (ANR), as well as in healthy individuals (CTRL) and chronically-infected patients (CHR). For pDC, a high number of upregulated genes was found in AR patients, irrespective of DC stimulation. However, for mDC, most evident differences were detected after DC stimulation, again corresponding to upregulated genes in AR patients. Divergent behavior of ANR was also observed when analyzing DC from CTRL and CHR, with ANR patients clustering again apart from these groups. These differences corresponded to metabolism-associated genes and genes belonging to pathways relevant for DC activation and cytokine responses. Thus, upregulation of relevant genes in DC during acute HCV infection may determine viral clearance, suggesting that dysfunctional DC may be responsible for the lack of efficient T-cell responses which lead to chronic HCV infection.
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Affiliation(s)
- Aintzane Zabaleta
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Jose-Ignacio Riezu-Boj
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Esther Larrea
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Lorea Villanueva
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Juan Jose Lasarte
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Elizabeth Guruceaga
- IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Bioinformatics Unit, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
| | - Paola Fisicaro
- Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Sayeh Ezzikouri
- Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Gabriele Missale
- Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Carlo Ferrari
- Unit of Infectious Diseases and Hepatology, Azienda Ospedaliero-Universitaria di Parma, Parma, Italy
| | - Soumaya Benjelloun
- Viral Hepatitis Laboratory, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Jesús Prieto
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Liver Unit, Clínica Universidad de Navarra, Pamplona, Spain
| | - Pablo Sarobe
- Division of Hepatology and Gene Therapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain.,IdiSNA, Insituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Program of Immunology and Immunotherapy, Center for Applied Medical Research (CIMA), University of Navarra, Pamplona, Spain
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Kitab B, Alj HS, Ezzikouri S, Benjelloun S. MicroRNAs as Important Players in Host-hepatitis B Virus Interactions. J Clin Transl Hepatol 2015; 3:149-61. [PMID: 26357642 PMCID: PMC4548348 DOI: 10.14218/jcth.2015.00002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 03/09/2015] [Accepted: 03/09/2015] [Indexed: 12/13/2022] Open
Abstract
Hepatitis B virus (HBV) infection, a major public health problem, causes acute and chronic hepatitis that is often complicated by liver cirrhosis and hepatocellular carcinoma. The pathogenic mechanisms of HBV-related liver disease are not well understood, and the current licensed therapies are not effective in permanently clearing virus from the circulation. In recent years, the role of micro-ribonucleic acids (miRNAs) in HBV infection has attracted great interest. Cellular miRNAs can influence HBV replication directly by binding to HBV transcripts and indirectly by targeting cellular factors relevant to the HBV life cycle. They are also involved in the regulation of cellular genes and signaling pathways that have critical roles in HBV pathogenesis. HBV infection, in turn, can trigger changes in cellular miRNA expression that are associated with distinctive miRNA expression profiles depending on the phase of liver disease. These alterations in miRNA expression have been linked to disease progression and hepatocarcinogenesis. We provide here an up to date review regarding the field of miRNAs and HBV interplay and highlight the potential utility of miRNAs as diagnostic biomarkers and therapeutic targets for the management of HBV-related liver disease.
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Affiliation(s)
- Bouchra Kitab
- Viral Hepatitis Laboratory, Virology Unit, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Hanane Salih Alj
- Laboratory of Biology and Health, URAC34, Faculty of Sciences Ben M’sik, University Hassan II Casablanca, Morocco
| | - Sayeh Ezzikouri
- Viral Hepatitis Laboratory, Virology Unit, Institut Pasteur du Maroc, Casablanca, Morocco
| | - Soumaya Benjelloun
- Viral Hepatitis Laboratory, Virology Unit, Institut Pasteur du Maroc, Casablanca, Morocco
- Correspondence to: Soumaya Benjelloun, Virology Unit, Institut Pasteur du Maroc, 1 Place Louis Pasteur, Casablanca 20360, Morocco. Tel: +212‐527‐016‐076; +212‐522‐434‐450, Fax: +212‐522‐260‐957, E‐mail:
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Rebbani K, Marchio A, Ezzikouri S, Afifi R, Kandil M, Bahri O, Triki H, El Feydi AE, Dejean A, Benjelloun S, Pineau P. TP53 R72P polymorphism modulates DNA methylation in hepatocellular carcinoma. Mol Cancer 2015; 14:74. [PMID: 25889455 PMCID: PMC4393630 DOI: 10.1186/s12943-015-0340-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2014] [Accepted: 03/11/2015] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is characterized by widespread epidemiological and molecular heterogeneity. Previous work showed that in the western part of North Africa, a region of low incidence of HCC, mutations are scarce for this tumor type. As epigenetic changes are considered possible surrogates to mutations in human cancers, we decided, thus, to characterize DNA methylation in HCC from North-African patients. METHODS A set of 11 loci was investigated in a series of 45 tumor specimens using methylation-specific and combined-bisulfite restriction assay PCR. Results obtained on clinical samples were subsequently validated in liver cancer cell lines. RESULTS DNA methylation at tumor suppressor loci is significantly higher in samples displaying chromosome instability. More importantly, DNA methylation was significantly higher in Arg/Arg when compared to Pro/Pro genotype carriers at codon 72 rs1042522 of TP53 (65% vs 20% methylated loci, p = 0.0006), a polymorphism already known to affect somatic mutation rate in human carcinomas. In vitro experiments in cell lines indicated that enzymes controlling DNA methylation were differentially regulated by codon 72 Arg or Pro isoforms of p53. Furthermore, the Arg72-carrying version of p53 was shown to re-methylate DNA more rapidly than the pro-harboring isoform. Finally, Pro-carrying cell lines were shown to be significantly more resistant to decitabine treatment (two-fold, p = 0.005). CONCLUSIONS Our data suggest that Arg72Pro polymorphism in a WT p53 context may act as a primary driver of epigenetic changes in HCC. It suggests, in addition, that rs1042522 genotype may predict sensitivity to epigenetic-targeted therapy. This model of liver tumorigenesis that associates low penetrance genetic predisposition to epigenetic changes emerges from a region of low HCC incidence and it may, therefore, apply essentially to population living in similar areas. Surveys on populations submitted to highly mutagenic conditions as perinatally-acquired chronic hepatitis B or aflatoxin B1 exposure remained to be conducted to validate our observations as a general model.
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Affiliation(s)
- Khadija Rebbani
- Unité d'Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, 28 rue du Docteur Roux, F-75724, Paris, Cedex 15, France. .,Laboratoire des Hépatites Virales, Institut Pasteur du Maroc, 1 Place Louis Pasteur, 20360, Casablanca, Morocco.
| | - Agnès Marchio
- Unité d'Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, 28 rue du Docteur Roux, F-75724, Paris, Cedex 15, France.
| | - Sayeh Ezzikouri
- Laboratoire des Hépatites Virales, Institut Pasteur du Maroc, 1 Place Louis Pasteur, 20360, Casablanca, Morocco.
| | - Rajaa Afifi
- Service de Médecine C-Gastroentérologie, CHU Ibn-Sina, Rabat, Morocco.
| | - Mostafa Kandil
- Equipe d'Anthropogénétique et de Biotechnologies, Faculté des Sciences Chouaib Doukkali, El Jadida, Morocco.
| | - Olfa Bahri
- Laboratoire de Virologie Clinique, Institut Pasteur de Tunis, Tunis, Tunisie.
| | - Henda Triki
- Laboratoire de Virologie Clinique, Institut Pasteur de Tunis, Tunis, Tunisie.
| | | | - Anne Dejean
- Unité d'Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, 28 rue du Docteur Roux, F-75724, Paris, Cedex 15, France.
| | - Soumaya Benjelloun
- Laboratoire des Hépatites Virales, Institut Pasteur du Maroc, 1 Place Louis Pasteur, 20360, Casablanca, Morocco.
| | - Pascal Pineau
- Unité d'Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, 28 rue du Docteur Roux, F-75724, Paris, Cedex 15, France.
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Fayssel N, Bensghir R, Ouladlahsen A, Abdelghaffar H, Sodqi M, Lahlou K, Benjelloun S, Marhoum El Filali K, Ezzikouri S, Wakrim L. Association of CD209L tandem repeats polymorphism with susceptibility to human immunodeficiency virus-1 infection, disease progression, and treatment outcomes: a Moroccan cohort study. Clin Microbiol Infect 2014; 21:513.e1-5. [PMID: 25656622 DOI: 10.1016/j.cmi.2014.12.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [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: 10/06/2014] [Revised: 12/05/2014] [Accepted: 12/11/2014] [Indexed: 01/07/2023]
Abstract
In order to investigate the association between length variation of the CD209L neck region and human immunodeficiency virus (HIV)-1 susceptibility, disease progression, and treatment response outcomes, we genotyped 139 HIV-1-seropositive and 109 seronegative individuals. The heterozygous genotype 6/5 showed a significant increased risk of HIV-1 infection (OR 3.03, 95% CI 0.99-9.33, p 0.046). Moreover, after highly active antiretroviral therapy (HAART), HIV-1-seropositive individuals carrying the 6/5, 7/5 and 7/7 genotypes and alleles 5, 6 and 7 showed good CD4(+) T-cell recovery. In addition, individuals with the 7/5, 6/6 and 7/7 genotypes showed a significant decrease in viral load during the treatment period as compared with baseline (p < 0.05). Interestingly, we found that alleles 4 and 6 were associated with protection against AIDS progression. D209L variation may influence susceptibility to HIV-1, response to treatment, and disease progression.
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Affiliation(s)
- N Fayssel
- Virology Unit, Immunovirology Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
| | - R Bensghir
- Laboratoire de Biochimie, Environnement & Agroalimentaire, Université Hassan II, Facultédes Sciences et Techniques, Mohammedia-Casablanca, Morocco
| | - A Ouladlahsen
- Laboratoire de Biochimie, Environnement & Agroalimentaire, Université Hassan II, Facultédes Sciences et Techniques, Mohammedia-Casablanca, Morocco
| | - H Abdelghaffar
- Service des Maladies Infectieuses, CHU Ibn Rochd, Casablanca, Morocco
| | - M Sodqi
- Laboratoire de Biochimie, Environnement & Agroalimentaire, Université Hassan II, Facultédes Sciences et Techniques, Mohammedia-Casablanca, Morocco
| | - K Lahlou
- Virology Unit, Immunovirology Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
| | - S Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
| | - K Marhoum El Filali
- Laboratoire de Biochimie, Environnement & Agroalimentaire, Université Hassan II, Facultédes Sciences et Techniques, Mohammedia-Casablanca, Morocco
| | - S Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco.
| | - L Wakrim
- Virology Unit, Immunovirology Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco.
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Ezzikouri S, Nishimura T, Kohara M, Benjelloun S, Kino Y, Inoue K, Matsumori A, Tsukiyama-Kohara K. Inhibitory effects of Pycnogenol® on hepatitis C virus replication. Antiviral Res 2014; 113:93-102. [PMID: 25446333 DOI: 10.1016/j.antiviral.2014.10.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 10/24/2014] [Accepted: 10/31/2014] [Indexed: 01/29/2023]
Abstract
Chronic hepatitis C virus (HCV) infection increases the risk of liver cirrhosis and hepatocellular carcinoma. In the last decade, the current standard HCV treatment, pegylated interferon and ribavirin, have limited efficacy and significant side effects. Novel direct acting antivirals show promise, but escape mutants are expected, along with potential side effects. Pycnogenol®, a French maritime pine extract, has been reported to have antioxidant and antiviral effects. Here, we evaluated the effect of Pycnogenol® on HCV replication. Wild-type and protease inhibitor (VX-950; telaprevir)-resistant HCV replicon cells were treated with Pycnogenol®, Pycnogenol® and interferon-alpha, and ribavirin and telaprevir. Pycnogenol® effects on replication were also evaluated in HCV-infected chimeric mice. Pycnogenol® treatment showed antiviral effects without cytotoxicity at doses up to 50 μg/mL. Pycnogenol® in combination with interferon-alpha or ribavirin showed synergistic effects. Moreover, Pycnogenol® inhibited HCV replication in telaprevir-resistant replicon cells; telaprevir and Pycnogenol® acted additively to reduce HCV RNA levels in wild-type HCV replicon cells without significantly increasing cytotoxicity. Pycnogenol® antiviral activity was higher than its components procyanidin and taxifolin. Further, treatment of infected chimeric mice with Pycnogenol® suppressed HCV replication and showed a synergistic effect with interferon-alpha. In addition, Pycnogenol® treatment resulted in dose-dependent reduction of reactive oxygen species in HCV replicon cell lines. Pycnogenol® is a natural product that may be used to improve the efficacy of the current standard antiviral agents and even to eliminate resistant HCV mutants.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco; Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.
| | | | - Michinori Kohara
- Department of Microbiology and Cell Biology, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Soumaya Benjelloun
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
| | - Yoichiro Kino
- Chemo-Sero Research Institute, Kikuchi Research Center, Kumamoto, Japan
| | - Kazuaki Inoue
- Division of Gastroenterology, Showa University, Fujigaoka Hospital, Kanagawa, Japan
| | | | - Kyoko Tsukiyama-Kohara
- Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan.
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Kitab B, Ezzikouri S, Alaoui R, Nadir S, Badre W, Trepo C, Chemin I, Benjelloun S. Occult HBV infection in Morocco: from chronic hepatitis to hepatocellular carcinoma. Liver Int 2014; 34:e144-50. [PMID: 24502524 DOI: 10.1111/liv.12482] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Accepted: 01/30/2014] [Indexed: 12/14/2022]
Abstract
BACKGROUND & AIMS Morocco is one of low to intermediate endemic areas for hepatitis B virus (HBV) infection, but no reports have been published on Occult HBV infection (OBI). To determine the prevalence of OBI and its clinical impact among patients with cryptogenic and HCV-related chronic liver disease in Morocco. METHODS A total of 152 HBsAg-negative patients (60 patients with cryptogenic hepatitis and 92 HCV carriers) were enrolled in this study. Sera collected from all patients were tested for anti-HBc and anti-HBs antibodies. OBI was assessed in serum and liver tissue samples using highly sensitive PCR assays targeting Surface, X and core regions of the HBV genome and confirmed by Southern blot hybridization. RESULTS A high rate of anti-HBc positivity was found among patients with HCV infection (57/92, 61.95%) compared to those with cryptogenic hepatitis (24/60, 40%) (P = 0.034). A high prevalence of OBI was found among patients with HCV infection (42/92, 45.65%) compared to those with cryptogenic hepatitis (17/60, 28.3%) (P = 0.013). In both groups, the prevalence of OBI increased in parallel with advancing stage of liver disease (χ2 = 6.73; P = 0.0095). The highest proportion of OBI was reached among HCV-related HCC cases (62.5%). Multivariate Cox regression analysis revealed that older age (≥56 years), positivity for anti-HBc and presence of OBI were independent risk factors for the development of HCC in HCV-infected patients. CONCLUSION This study helps to understand the current status of OBI and its impact on the severity of liver disease in Moroccan patients.
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Affiliation(s)
- Bouchra Kitab
- Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
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Tlamçani I, Benjelloun S, Deham H, Er-Rami M. Chromomycose cutanée à Fonsecaea pedrosoi. J Mycol Med 2014. [DOI: 10.1016/j.mycmed.2014.01.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tlamçani I, Benjelloun S, Deham H, Er-Rami M. Aspergillose bronchopulmonaire allergique : un diagnostic à évoquer lors d’un asthme réfractaire. J Mycol Med 2014. [DOI: 10.1016/j.mycmed.2014.01.089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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44
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Rebbani K, Ezzikouri S, Marchio A, Kandil M, Pineau P, Benjelloun S. MDM2 285G>C and 344T>A gene variants and their association with hepatocellular carcinoma: a Moroccan case-control study. Infect Agent Cancer 2014; 9:11. [PMID: 24708820 PMCID: PMC3986458 DOI: 10.1186/1750-9378-9-11] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2013] [Accepted: 03/18/2014] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND MDM2 gene polymorphisms 285G/C and 344 T/A are two single nucleotide polymorphisms (SNPs) recently identified as important variants that could influence the expression of MDM2 gene through the modulation of transcription factors binding on the SNP309T/G. The 285C variant seems to present a geographically distinct distribution in humans and to be associated with a low cancer risk. In the present report, we studied the distribution of the three SNPs in a population with low liver cancer incidence. METHODS A group of 119 patients with hepatocellular carcinoma (HCC, 63.45 ± 12.59 year, 26-80) and another of 103 non-HCC controls (56 ± 10.82 year, 22-79) were enrolled to investigate association between MDM2 polymorphisms and susceptibility to develop HCC. The three studied SNPs (285G/C, 309 T/G and 344 T/A) were genotyped using polymerase chain reaction and sequencing techniques. RESULTS Genotypes and alleles distributions of the three studied polymorphisms of MDM2 were not significantly different between cases and controls. An increased risk of HCC development was found in case of 309G allele presence albeit without reaching the significance (29.8% vs 22.3%, OR = 1.48, 95% CI, 0.96-2.27, p = 0.073). In addition, neither 285C nor 344A MDM2 variants were significantly associated with an increased risk of HCC (p = 0.688 and p = 1 respectively). Remarkably, we found that the supposedly Caucasian-specific 285C variant was present in 1% of the Moroccan population. CONCLUSIONS This is the first study of the MDM2 SNP285G/C and SNP344T/A polymorphisms in association with HCC development. In contrast with previous studies, showing that females carrying SNP285C variant have a significantly reduced risk of developing breast, ovarian and endometrial cancer, no significant modulation of HCC risk was found in a North-African population.
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Affiliation(s)
| | | | | | | | | | - Soumaya Benjelloun
- Unité de Virologie, Laboratoire des Hépatites Virales, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360 Casablanca, Morocco.
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Ezzikouri S, Ozawa M, Kohara M, Elmdaghri N, Benjelloun S, Tsukiyama-Kohara K. Recent insights into hepatitis B virus-host interactions. J Med Virol 2014; 86:925-32. [PMID: 24604126 DOI: 10.1002/jmv.23916] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2014] [Indexed: 12/14/2022]
Abstract
Hepatitis B virus (HBV) poses a threat to global public health mainly because of complications of HBV-related chronic liver disease. HBV exhibits a narrow host range, replicating primarily in hepatocytes by a still poorly understood mechanism. For the generation of progeny virions, HBV depends on interactions with specific host factors through its life cycle. Revealing and characterizing these interactions are keys to identifying novel antiviral targets, and to developing specific treatment strategies for HBV patients. In this review, recent insights into the HBV-host interactions, especially on virus entry, intracellular trafficking, genome transcription and replication, budding and release, and even cellular restriction factors were reviewed.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco; Transboundary Animal Diseases Centre, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan; Laboratory of Animal Hygiene, Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima, Japan
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Ezzikouri S, Rebbani K, Fakhir FZ, Alaoui R, Nadir S, Diepolder H, Thursz M, Khakoo SI, Benjelloun S. The allele 4 of neck region liver-lymph node-specific ICAM-3-grabbing integrin variant is associated with spontaneous clearance of hepatitis C virus and decrease of viral loads. Clin Microbiol Infect 2013; 20:O325-32. [PMID: 24283933 PMCID: PMC7129123 DOI: 10.1111/1469-0691.12403] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [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: 05/14/2013] [Revised: 08/29/2013] [Accepted: 09/15/2013] [Indexed: 12/12/2022]
Abstract
L‐SIGN is a C‐type lectin expressed on liver sinusoidal endothelial cells involved in the capture of hepatitis C virus and trans‐infection of adjacent hepatocyte cells. The neck region of L‐SIGN is highly polymorphic, with three to nine tandem repeats of 23 residues. This polymorphism is associated with a number of infectious diseases, but has not been explored in HCV. We therefore investigated the impact of L‐SIGN neck region length variation on the outcome of HCV infection. We studied 322 subjects, 150 patients with persistent HCV infection, 63 individuals with spontaneous clearance and 109 healthy controls. In healthy subjects, we found a total of nine genotypes, with the 7/7 genotype being the most frequent (33%) followed by the 7/6 (22.9%) and the 7/5 (18.3%). The frequencies of the alleles were as follows: 7‐LSIGN (56.4%), 6‐LSIGN (20.2%), 5‐L‐SIGN (18.3%) and 4‐L‐SIGN (5%). The frequency of the 7/4 genotype was higher in spontaneous resolvers (14.3%) as compared with the persistent group (4%) (OR = 0.25, 95% CI = 0.07–0.82, p 0.022). In addition, we found that 4‐L‐SIGN was associated with spontaneous resolution of HCV infection (OR = 0.30, 95%CI, 0.12–0.74, p 0.005). Interestingly, patients with 4‐L‐SIGN had lower viral loads when compared with carriers of the 5 (p 0.001), 6 (p 0.021) and 7‐alleles (p 0.048). The results indicate that neck region polymorphism of L‐SIGN can influence the outcome of HCV infection and the four‐tandem repeat is associated with clearance of HCV infection.
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Affiliation(s)
- S Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
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Dupinay T, Gheit T, Roques P, Cova L, Chevallier-Queyron P, Tasahsu SI, Le Grand R, Simon F, Cordier G, Wakrim L, Benjelloun S, Trépo C, Chemin I. Discovery of naturally occurring transmissible chronic hepatitis B virus infection among Macaca fascicularis from Mauritius Island. Hepatology 2013; 58:1610-20. [PMID: 23536484 DOI: 10.1002/hep.26428] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2012] [Accepted: 03/25/2013] [Indexed: 01/05/2023]
Abstract
UNLABELLED Despite a high prevalence of hepatitis B virus (HBV) infection in endangered apes, no HBV infection has been reported in small, old-world monkeys. In search for a small, nonhuman primate model, we investigated the prevalence of HBV infection in 260 macaque (Cercopithecidae) sera of various geographical origins (i.e., Morocco, Mauritius Island, and Asia). HBV-positive markers were detected in cynomolgus macaques (Macaca fascicularis) from Mauritius Island only, and, remarkably, HBV DNA was positive in 25.8% (31 of 120) and 42% (21 of 50) of serum and liver samples, respectively. Strong liver expression of hepatitis B surface antigen and hepatitis B core antigen was detected in approximately 20%-30% of hepatocytes. Furthermore, chronic infection with persisting HBV DNA was documented in all 6 infected macaques during an 8-month follow-up period. Whole HBV genome-sequencing data revealed that it was genotype D subtype ayw3 carrying substitution in position 67 of preS1. To confirm infectivity of this isolate, 3 Macaca sylvanus were inoculated with a pool of M. fascicularis serum and developed an acute HBV infection with 100% sequence homology, compared with HBV inoculum. We demonstrated the presence of a chronic HBV infection in M. fascicularis from Mauritius Island. This closely human-related HBV might have been transmitted from humans, because the initial breeding colony originated from very few ancestors 300 years ago when it was implemented by Portuguese who imported a handful of macaques from Java to Mauritius Island. CONCLUSION This report on natural, persisting HBV infection among cynomolgus macaques provides the first evidence for the existence of a novel, small simian model of chronic HBV infection, immunologically close to humans, that should be most valuable for the study of immunotherapeutic approaches against chronic hepatitis B.
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Affiliation(s)
- Tatiana Dupinay
- Université de Lyon, Lyon, France; INSERM U1052, Centre de Recherche en Cancérologie de Lyon, Lyon, France; CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, Lyon, France; Ecole pratique des hautes études, Paris, France
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Ezzikouri S, Kitab B, Rebbani K, Marchio A, Wain-Hobson S, Dejean A, Vartanian JP, Pineau P, Benjelloun S. Polymorphic APOBEC3 modulates chronic hepatitis B in Moroccan population. J Viral Hepat 2013; 20:678-86. [PMID: 24010642 DOI: 10.1111/jvh.12042] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [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: 06/30/2012] [Accepted: 10/18/2012] [Indexed: 12/12/2022]
Abstract
The cytidine deaminase apolipoprotein B mRNA editing catalytic subunit-3 (APOBEC3) induces G-to-A hypermutation in hepatitis B virus (HBV) genomes and operates as part of the innate antiviral immune system. We investigated the associations between the presence of APOBEC3 variants and HBV carriage in a case-control study in the Moroccan population. A polymorphic deletion affecting the APOBEC3B gene and the H186R variant of APOBEC3G were genotyped in 179 HBV chronic carriers and 216 healthy control subjects. In addition, to assess the overall impact of APOBEC3 deaminases on circulating HBV, we looked for hyperedited forms of the viral genome using the 3DPCR technique and analysed editing context. Data analysis showed that there was no significant difference in the frequencies of deleted APOBEC3B alleles (P = 0.261) or genotypes (P = 0.333) between patients with chronic hepatitis B and control subjects. By contrast, subjects bearing deleted genotype had a faster progression of liver disease than those with the insertion genotype (adjusted OR, 3.72; 95% CI, 0.38-36.12). The analysis of the APOBEC3G H186R polymorphism revealed that R/R genotype frequencies were not significantly different in HBV infected patients and in healthy subjects. 3DPCR was positive in 26 samples (14%) among 179. Amplified viral segments displayed monomorphic G>A transitions highly reminiscent of APOBEC3G activity. Most intriguingly, hemi/homozygous carriers of the APOBEC3B deletion had significantly lower virus loads than patients with the wild type (median 539 vs. 2213 IU/mL, P = 0.0023). This result suggests that genetic variations in APOBEC3 cytidine deaminases do not predispose to chronicity but may modulate the course of persistent HBV infection.
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Affiliation(s)
- S Ezzikouri
- Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
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Abstract
Our understanding of the patho-physiology of hepatocellular carcinoma (HCC) is still much fragmented making difficult the improvement of the clinical outcome for the majority of HCC patients. Discovery of single nucleotide polymorphisms (SNPs) associated with individual susceptibility to HCC may enable the persons at risk to adapt their lifestyle and legitimate implementation by their doctors of surveillance programs facilitating early detection and subsequent management of the disease. To shed light on the influence of human genetic variation on HCC, we conducted a review of the meta-analyses of candidate SNPs and genome wide association studies (GWAS) performed for HCC by search of PubMed and Google Scholar databases. Genetic variations occurring in pathways historically considered as instrumental for liver tumorigenesis (TP53/MDM2, HLA, glutathione-S-transferases/cytochrome P540, TNFα/TGFβ, etc…) are discussed. An immense majority of the data has been produced in Eastern Asia (China, Japan, Korea). These meta-analyses indicate that the TP53, the MDM2 SNP309 G and the GSTT1 null genotype contribute to an increased risk of HCC both in Asians and Caucasians. Significant differences of odds ratios are, however, commonly observed between Eastern-Asians and other populations. Amazingly, GWAS studies performed so far exclusively with HCC patients from Eastern Asia produced drastically different outcomes pointing at unrelated biological pathways. The small magnitude of the risk associated with the genetic variants raises the question of their future utility as markers in clinical practice. An assessment of their impact on tumor progression (vascular invasion, metastases) remains, however, to be done and may prove to be more useful for clinicians. Finally, the evaluation of these variants is not available for various populations of the world and particularly for Subsaharan Africans who are especially affected by HCC.
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Affiliation(s)
- Sayeh Ezzikouri
- Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco. .,Virology Unit, Viral Hepatitis Laboratory, Institut Pasteur du Maroc 1, Place Louis Pasteur, 20360, Casablanca, Morocco.
| | - Soumaya Benjelloun
- Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco
| | - Pascal Pineau
- Unité Organisation Nucléaire et Oncogenèse, INSERM U993, Institut Pasteur, Paris, France
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Ezzikouri S, Pineau P, Benjelloun S. Hepatitis B virus in the Maghreb region: from epidemiology to prospective research. Liver Int 2013; 33:811-9. [PMID: 23530901 DOI: 10.1111/liv.12135] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Accepted: 01/28/2013] [Indexed: 12/21/2022]
Abstract
Hepatitis B virus (HBV) represents an important health problem in the Maghreb countries, Algeria, Libya, Mauritania, Morocco and Tunisia, but no detailed synthesis of its epidemiology is available. In this review, we systematically searched for data about HBV in the Maghreb in peer-reviewed databases and included in our analysis works written in English and French, as well as institutional reports and regional conference meeting abstracts. We estimated national and regional prevalence of chronic HBV infection. In addition, we discuss molecular features of the viral strains circulating in the region. Data analysis suggests that in the Maghreb region HBs antigen carriage concerns 1.8-4.9% of the population for an estimated number of 2.7 million persons. Genotype D, subtype D7, is predominant and mutations in the precore region of HBV genome are highly prevalent. This epidemiological situation requires obviously widespread active interventions for prevention and control. In addition, anti-hepatitis B vaccination programme should be applied with the utmost discipline in the five countries considered in this present review. This systematic review will, hopefully, increase knowledge at disposal of Public Health authorities, enabling better resource allocation and healthcare delivery. The present synthesis intends to stimulate policies aiming at preventing the spread of HBV, keeping in mind that eradication of the virus from Maghrebi populations should be the ultimate objective of Public Health authorities.
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Affiliation(s)
- Sayeh Ezzikouri
- Virology Unit, Viral Hepatitis Laboratory, Pasteur Institute of Morocco, Casablanca, Morocco.
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