1978 …2020

Research output per year

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Research Output

2020
Open Access

Development of hepatic pathology in GBV-B-infected red-bellied tamarins (Saguinus labiatus)

Dale, J. M., Hood, S. P., Bowen, O., Bright, H., Cutler, K. L., Berry, N., Almond, N., Goldin, R., Karayiannis, P. & Rose, N. J., 1 Jan 2020, (Accepted/In press) In : Journal of Medical Virology.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2018

Editorial: HBsAg serum levels in HBeAg-negative chronic HBV infection—is it a matter of genotype?

Alexopoulou, A. & Karayiannis, P., 1 Jul 2018, In : Alimentary Pharmacology and Therapeutics. 48, 1, p. 102-103 2 p.

Research output: Contribution to journalEditorial

1 Citation (Scopus)

Quasispecies Changes with Distinctive Point Mutations in the Hepatitis C Virus Internal Ribosome Entry Site (IRES) Derived from PBMCs and Plasma

Mercuri, L., Thomson, E. C., Hughes, J. & Karayiannis, P., 1 Jan 2018, In : Advances in Virology. 2018, 4835252.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

Demographic changes of hepatitis B virus infection in Iran for the last two decades

Shelmani, H. M., Karayiannis, P., Ashtari, S., Mahmanzar, M. A., Khanabadi, B., Modami, N., Gholipour, F., Zare, F. & Zali, M. R., 1 Jan 2017, In : Gastroenterology and Hepatology from Bed to Bench. 10, p. S38-S43

Research output: Contribution to journalArticle

5 Citations (Scopus)

Hepatitis B virus: virology, molecular biology, life cycle and intrahepatic spread

Karayiannis, P., 2 Nov 2017, (Accepted/In press) In : Hepatology International. p. 1-9 9 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)
2016

Hepatitis B viral replication influences the expression of natural killer cell ligands

Koumbi, L., Pollicino, T., Raimondo, G., Kumar, N., Karayiannis, P. & Khakoo, S. I., 2016, In : Annals of Gastroenterology. 29, 3, p. 348-357 10 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Hepatitis B virus basal core promoter mutations show lower replication fitness associated with cccDNA acetylation status

Koumbi, L., Pollicino, T., Raimondo, G., Stampoulis, D., Khakoo, S. & Karayiannis, P., 15 Jul 2016, In : Virus Research. 220, p. 150-160 11 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

The epigenetic control of hepatitis B virus modulates the outcome of infection

Koumbi, L. & Karayiannis, P., 2016, In : Frontiers in Microbiology. 6, JAN, 01491.

Research output: Contribution to journalReview article

28 Citations (Scopus)
2015

Determinants involved in hepatitis C virus and GB virus B primate host restriction

Marnata, C., Saulnier, A., Mompelat, D., Krey, T., Cohen, L., Boukadida, C., Warter, L., Fresquet, J., Vasiliauskaite, I., Escriou, N., Cosset, F. L., Rey, F. A., Lanford, R. E., Karayiannis, P., Rose, N. J., Lavillette, D. & Martin, A., 2015, In : Journal of Virology. 89, 23, p. 12131-12144 14 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Interferon-based combination treatment for chronic hepatitis C in the era of direct acting antivirals

Alexopoulou, A. & Karayiannis, P., 2015, In : Annals of Gastroenterology. 28, 1, p. 55-65 11 p.

Research output: Contribution to journalReview article

35 Citations (Scopus)
2014

Changes in immune cell populations in the periphery and liver of GBV-B-infected and convalescent tamarins (Saguinus labiatus)

Hood, S. P., Mee, E. T., Perkins, H., Bowen, O., Dale, J. M., Almond, N. M., Karayiannis, P., Bright, H., Berry, N. J. & Rose, N. J., 22 Jan 2014, In : Virus Research. 179, 1, p. 93-101 9 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Editorial

Foster, G., Karayiannis, P. & Afdhal, N., Feb 2014, In : Journal of Viral Hepatitis. 21, 2, p. 77 1 p.

Research output: Contribution to journalEditorial

Editorial: Welcome to the new, all electronic journal of viral hepatitis

Foster, G., Afdhal, N. H., Karayiannis, P. & Thursz, M., 2014, In : Journal of Viral Hepatitis. 22, 1, p. 1 1 p.

Research output: Contribution to journalEditorial

HBeaG negative variants and their role in the natural history of chronic hepatitis B virus infection

Alexopoulou, A. & Karayiannis, P., 2014, In : World Journal of Gastroenterology. 20, 24, p. 7644-7652 9 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

HCV NS5A co-operates with PKR in modulating HCV IRES-dependent translation

Karamichali, E., Foka, P., Tsitoura, E., Kalliampakou, K., Kazazi, D., Karayiannis, P., Georgopoulou, U. & Mavromara, P., 2014, In : Infection, Genetics and Evolution. 26, p. 113-122 10 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Treatment options beyond IFNα and NUCs for chronic HBV infection: Expectations for tomorrow

Baltayiannis, G. & Karayiannis, P., 1 Nov 2014, In : Journal of Viral Hepatitis. 21, 11, p. 753-761 9 p.

Research output: Contribution to journalReview article

8 Citations (Scopus)
2013

Dental treatment as a risk factor for hepatitis B and C viral infection. A review of the recent literature

Mahboobi, N., Porter, S. R., Karayiannis, P. & Alavian, S. M., 2013, In : Journal of Gastrointestinal and Liver Diseases. 22, 1, p. 79-86 8 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Molecular variants of hepatitis B surface antigen (HBsAg)

Jazayeri, S. M., Alavian, S. M., Dindoost, P., Thomas, H. C. & Karayiannis, P., 29 Jul 2013, Viral Hepatitis: Fourth Edition. wiley, p. 107-126 20 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Molecular variants of the precore, core, and core promoter regions of hepatitis B virus, and their clinical significance

Karayiannis, P., Carman, W. F. & Thomas, H. C., 29 Jul 2013, Viral Hepatitis: Fourth Edition. wiley, p. 127-142 16 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Oral conditions associated with Hepatitis C virus infection

Alavian, S. M., Mahboobi, N., Mahboobi, N. & Karayiannis, P., Nov 2013, In : Saudi Journal of Gastroenterology. 19, 6, p. 245-251 7 p.

Research output: Contribution to journalReview article

4 Citations (Scopus)
2012

Oral fluid and hepatitis A, B and C: A literature review

Mahboobi, N., Porter, S. R., Karayiannis, P. & Alavian, S. M., Aug 2012, In : Journal of Oral Pathology and Medicine. 41, 7, p. 505-516 12 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Seroepidemiology of hepatitis A and E virus infections in Tehran, Iran: A population based study

Mohebbi, S. R., Rostami Nejad, M., Tahaei, S. M. E., Pourhoseingholi, M. A., Habibi, M., Azimzadeh, P., Naghoosi, H., Karayiannis, P. & Zali, M. R., Sep 2012, In : Transactions of the Royal Society of Tropical Medicine and Hygiene. 106, 9, p. 528-531 4 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
2011

Enterically Transmitted Viral Hepatitis: Hepatitis A and Hepatitis E

Karayiannis, P. & Thomas, H. C., 5 May 2011, Sherlock's Diseases of the Liver and Biliary System, 12th Edition. Wiley-Blackwell, p. 353-366 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hepatitis B surface antigen: Relation to hepatitis B replication parameters in HBeAg-negative chronic hepatitis B

Manesis, E. K., Papatheodoridis, G. V., Tiniakos, D. G., Hadziyannis, E. S., Agelopoulou, O. P., Syminelaki, T., Papaioannou, C., Nastos, T. & Karayiannis, P., Jul 2011, In : Journal of Hepatology. 55, 1, p. 61-68 8 p.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Predicting spontaneous clearance of acute hepatitis C virus in a large cohort of HIV-1-infected men

Thomson, E. C., Fleming, V. M., Main, J., Klenerman, P., Weber, J., Eliahoo, J., Smith, J., McClure, M. O. & Karayiannis, P., Jun 2011, In : Gut. 60, 6, p. 837-845 9 p.

Research output: Contribution to journalArticle

118 Citations (Scopus)

The detection of hepatitis viruses.

Karayiannis, P., 2011, In : Methods in molecular biology (Clifton, N.J.). 665, p. 79-100 22 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2010

Dynamic coinfection with multiple viral subtypes in acute hepatitis C

Smith, J. A., Aberle, J. H., Fleming, V. M., Ferenci, P., Thomson, E. C., Karayiannis, P., McLean, A. R., Holzmann, H. & Klenerman, P., 15 Dec 2010, In : Journal of Infectious Diseases. 202, 12, p. 1770-1779 10 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
14 Citations (Scopus)

Steatosis and steatohepatitis in postmortem material from Northwestern Greece

Zois, C. D., Baltayiannis, G. H., Bekiari, A., Goussia, A., Karayiannis, P., Doukas, M., Demopoulos, D., Mitsellou, A., Vougiouklakis, T., Mitsi, V. & Tsianos, E. V., 21 Aug 2010, In : World Journal of Gastroenterology. 16, 31, p. 3944-3949 6 p.

Research output: Contribution to journalArticle

37 Citations (Scopus)
2009

Core mutations in patients with acute episodes of chronic HBV infection are associated with the emergence of new immune recognition sites and the development of high IgM Anti-HBc index values

Alexopoulou, A., Baltayiannis, G., Eroglu, C., Nastos, T., Dourakis, S. P., Archimandritis, A. J. & Karayiannis, P., Jan 2009, In : Journal of Medical Virology. 81, 1, p. 34-41 8 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Delayed anti-HCV antibody response in HIV-positive men acutely infected with HCV

Thomson, E. C., Nastouli, E., Main, J., Karayiannis, P., Eliahoo, J., Muir, D. & McClure, M. O., 2 Jan 2009, In : AIDS. 23, 1, p. 89-93 5 p.

Research output: Contribution to journalArticle

131 Citations (Scopus)

Diagnosing acute hepatitis C in HIV-infected patients: Nucleic acid testing compared with antibody and antigen-antibody detecting methods

Nastouli, E., Thomson, E. C., Karayiannis, P., Main, J., McClure, M. & Muir, D., Jan 2009, In : Journal of Clinical Virology. 44, 1, p. 78-80 3 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Long-term outcome of hepatitis B and hepatitis C virus co-infection and single HBV infection acquired in youth

Zampino, R., Marrone, A., Merola, A., Trani, B., Cirillo, G., Karayiannis, P., Coppola, N., Zappalà, R., Utili, R., Ruggiero, G. & Adinolfi, L. E., Dec 2009, In : Journal of Medical Virology. 81, 12, p. 2012-2020 9 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2008

Effect of basal core promoter and pre-core mutations on hepatitis B virus replication

Jammeh, S., Tavner, F., Watson, R., Thomas, H. C. & Karayiannis, P., Apr 2008, In : Journal of General Virology. 89, 4, p. 901-909 9 p.

Research output: Contribution to journalArticle

90 Citations (Scopus)

Hepatitis B Virus: General Features

Karayiannis, P. & Thomas, H. C., 1 Jan 2008, Encyclopedia of Virology. Elsevier Ltd, p. 350-360 11 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Journal of Viral Hepatitis: Editorial

Foster, G., Karayiannis, P., Lok, A. & Thomas, H., Jan 2008, In : Journal of Viral Hepatitis. 15, 1, p. 1 1 p.

Research output: Contribution to journalEditorial

NICE guidelines and a treatment algorithm for the management of chronic hepatitis B: A review of 12 years experience in west London

Kennedy, P. T. F., Lee, H. C., Jeyalingam, L., Malik, R., Karayiannis, P., Muir, D., Main, J., Thursz, M., Goldin, R., Smith, B., Brown, A. & Thomas, H. C., 2008, In : Antiviral Therapy. 13, 8, p. 1067-1076 10 p.

Research output: Contribution to journalReview article

8 Citations (Scopus)

Restricted quasispecies variation following infection with the GB virus B

McGarvey, M. J., Iqbal, M., Nastos, T. & Karayiannis, P., Jul 2008, In : Virus Research. 135, 1, p. 181-186 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Systematic review: Hepatic fibrosis - Regression with therapy

Zois, C. D., Baltayiannis, G. H., Karayiannis, P. & Tsianos, E. V., Nov 2008, In : Alimentary Pharmacology and Therapeutics. 28, 10, p. 1175-1187 13 p.

Research output: Contribution to journalReview article

33 Citations (Scopus)

Tailored regimen of interferon alpha for HBeAg-positive chronic hepatitis B: A prospective controlled study

Luo, K., Mao, Q., Karayiannis, P., Liu, D., Liu, Z., Zhou, Y., Feng, X., Zhu, Y., Guo, Y., Jiang, R., Zhou, F., Peng, J. & Hou, J., Sep 2008, In : Journal of Viral Hepatitis. 15, 9, p. 684-689 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2007

Hepatitis B Surface Antigen (HBsAg) Variants

Carman, W. F., Jazayeri, M., Basuni, A., Thomas, H. C. & Karayiannis, P., 26 Oct 2007, Viral Hepatitis. Blackwell Publishing Ltd, p. 225-241 17 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Journal of Viral Hepatitis: Editorial

Thomas, H. C., Foster, G. R. & Karayiannis, P., Jan 2007, In : Journal of Viral Hepatitis. 14, 1, p. 1 1 p.

Research output: Contribution to journalEditorial

Journal of Viral Hepatitis: Editorial

Foster, G. R., Karayiannis, P., Lok, A. & Thomas, H. C., Sep 2007, In : Journal of Viral Hepatitis. 14, 9, p. 599 1 p.

Research output: Contribution to journalEditorial

Molecular Variations in the Core Promoter, Precore and Core Regions of Hepatitis B Virus, and their Clinical Significance

Karayiannis, P., Carman, W. F. & Thomas, H. C., 26 Oct 2007, Viral Hepatitis. Blackwell Publishing Ltd, p. 242-262 21 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Replicative competence of the T131I, K141E, and G145R surface variants of hepatitis B virus

Jammeh, S., Thomas, H. C. & Karayiannis, P., 2007, In : Journal of Infectious Diseases. 196, 7, p. 1010-1013 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2006

Detection of a hepatitis B surface antigen variant emerging in a patient with chronic lymphocytic leukaemia treated with fludarabine

Alexopoulou, A., Dourakis, S. P., Pandelidaki, H., Archimandritis, A. J. & Karayiannis, P., Aug 2006, In : Journal of Medical Virology. 78, 8, p. 1043-1046 4 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Established and emerging therapies for the treatment of viral hepatitis

Forton, D. & Karayiannis, P., May 2006, In : Digestive Diseases. 24, 1-2, p. 160-173 14 p.

Research output: Contribution to journalReview article

10 Citations (Scopus)

Hepatitis B virus reactivation in patients receiving chemotherapy for malignancies: Role of precore stop-codon and basic core promoter mutations

Alexopoulou, A., Theodorou, M., Dourakis, S. P., Karayiannis, P., Sagkana, E., Papanikolopoulos, K. & Archimandritis, A. J., Sep 2006, In : Journal of Viral Hepatitis. 13, 9, p. 591-596 6 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)