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List of works by Anna Kramvis

A case-control study for differences among hepatitis B virus infections of genotypes A (subtypes Aa and Ae) and D.

scientific article published in September 2004

A global scientific strategy to cure hepatitis B

scientific article published on 10 April 2019

A roadmap for serum biomarkers for hepatitis B virus: current status and future outlook

scientific article published on 20 July 2022

A valine to phenylalanine mutation in the precore region of hepatitis B virus causes intracellular retention and impaired secretion of HBe-antigen

scientific article published on 14 January 2008

An update after 16 years of hepatitis B vaccination in South Africa

scientific article published on September 2012

Analysis of risk factors associated with hepatocellular carcinoma in black South Africans: 2000-2012.

scientific article published on 2 May 2018

Analysis of the complete genome of subgroup A' hepatitis B virus isolates from South Africa

scientific article published on April 2002

Analysis of ultra-deep pyrosequencing and cloning based sequencing of the basic core promoter/precore/core region of hepatitis B virus using newly developed bioinformatics tools

scientific article

Bioinformatic analysis of the hepadnavirus e-antigen and its precursor identifies remarkable sequence conservation in all orthohepadnaviruses

scientific article published in January 2010

Bioinformatic curation and alignment of genotyped hepatitis B virus (HBV) sequence data from the GenBank public database

scientific article

Bioinformatics tools for small genomes, such as hepatitis B virus

scientific article

Challenges for hepatitis B virus cure in resource-limited settings in sub-Saharan Africa

scientific article published on 01 May 2020

Circulating microRNA's as a diagnostic tool for hepatocellular carcinoma in a hyper endemic HIV setting, KwaZulu-Natal, South Africa: a case control study protocol focusing on viral etiology.

scientific article published on 28 December 2017

Construction of replication competent plasmids of hepatitis B virus subgenotypes A1, A2 and D3 with authentic endogenous promoters

scientific article published on 26 March 2014

Current views and advances on Paediatric Virology: An update for paediatric trainees

scientific article

Distinct mutant hepatitis B virus genomes, with alterations in all four open reading frames, in a single South African hepatocellular carcinoma patient.

scientific article published on 25 August 2011

Distinctive sequence characteristics of subgenotype A1 isolates of hepatitis B virus from South Africa.

scientific article published on May 2004

Epidemiology of hepatitis B virus in Africa, its genotypes and clinical associations of genotypes

scientific article published on July 2007

Expression of wild-type or G1862T mutant HBe antigen of subgenotype A1 of hepatitis B virus and the unfolded protein response in Huh7 cells

scientific article

First report of genotype e of hepatitis B virus in an Indian population.

scientific article published on 4 July 2009

Follow up of infection of chacma baboons with inoculum containing A and non-A genotypes of hepatitis B virus

scientific article published in April 2003

Fragment merger: an online tool to merge overlapping long sequence fragments.

scientific article

Frequent coinfection with hepatitis B virus strains of distinct genotypes detected by hybridization with type-specific probes immobilized on a solid-phase support.

scientific article published in June 2003

Full genome analysis of hepatitis B virus genotype E strains from South-Western Africa and Madagascar reveals low genetic variability

scientific article published on September 2005

Genotype D of hepatitis B virus and its subgenotypes: An update.

scientific article published on 16 September 2012

Genotypes and genetic variability of hepatitis B virus

scientific article published on 15 July 2014

Genotyping and molecular characterization of hepatitis B virus from human immunodeficiency virus-infected individuals in southern Africa

scientific article

Genotyping and molecular characterization of hepatitis B virus in liver disease patients in Kenya

scientific article published on 23 August 2013

Genotyping and virological characteristics of hepatitis B virus in HIV-infected individuals in Sudan

scientific article published on 24 October 2014

Global and regional dispersal patterns of hepatitis B virus genotype E from and in Africa: A full-genome molecular analysis

scientific article published on 08 October 2020

Growth and morphological characteristics of vervet monkey bone marrow-derived adherent cells

scientific article published on 01 September 1984

HLA associations with HBV carriage and proteinuria

scientific article published on 27 July 2002

Hepatitis B and C virus co-infection in black children with membranous nephropathy

scientific article published on 7 June 2002

Hepatitis B e Antigen Expression by Hepatitis B Virus Subgenotype A1 Relative to Subgenotypes A2 and D3 in Cultured Hepatocellular Carcinoma (Huh7) Cells

scientific article published on 24 August 2016

Hepatitis B virus DNA in serum of healthy black African adults positive for hepatitis B surface antibody alone: possible association with recombination between genotypes A and D.

scientific article

Hepatitis B virus genotypes

scientific article

Hepatitis B virus infection in human immunodeficiency virus infected southern African adults: occult or overt--that is the question

scientific article

Hepatitis B virus precore mutants in serum and liver of Southern African Blacks with hepatocellular carcinoma.

scientific article published in January 1998

Hepatitis B virus sequencing and liver fibrosis evaluation in HIV/HBV co-infected Nigerians

scientific article published on 4 April 2017

Hepatitis B virus subgenotype A1 predominates in liver disease patients from Kerala, India

scientific article published on December 2013

Hepatitis B virus subgenotype A1: evolutionary relationships between Brazilian, African and Asian isolates

scientific article

Hepatitis B virus transmission by blood transfusion during 4 years of individual-donation nucleic acid testing in South Africa: estimated and observed window period risk.

scientific article published on 7 October 2011

High prevalence of 1762(T) 1764(A) mutations in the basic core promoter of hepatitis B virus isolated from black Africans with hepatocellular carcinoma compared with asymptomatic carriers.

scientific article published in March 1999

High prevalence of hepatitis B virus subgenotypes A1 and D4 in Maranhão state, Northeast Brazil.

scientific article

Higher prevalence of cancer related mutations 1762T/1764A and PreS deletions in hepatitis B virus (HBV) isolated from HBV/HIV co-infected compared to HBV-mono-infected Chinese adults.

scientific article published on 6 October 2016

Human immunodeficiency virus infection predictors and genetic diversity of hepatitis B virus and hepatitis C virus co-infections among drug users in three major Kenyan cities.

scientific article published on 27 March 2018

Immune suppression uncovers endogenous cytopathic effects of the hepatitis B virus

scientific article

Immunomodulatory Function of HBeAg Related to Short-Sighted Evolution, Transmissibility, and Clinical Manifestation of Hepatitis B Virus

scientific article published on 24 October 2018

Implementing a birth dose of hepatitis B vaccine for home deliveries in Africa--too soon?

scientific article published on 29 July 2010

In Silico Analysis of Hepatitis B Virus Occult Associated Mutations in Botswana Using a Novel Algorithm

article

In Vitro Systems for Studying Different Genotypes/Sub-Genotypes of Hepatitis B Virus: Strengths and Limitations

scientific article published on 23 March 2020

Increased hepatocarcinogenic potential of hepatitis B virus genotype A in Bantu-speaking sub-saharan Africans

scientific article published on April 2005

Influence of hepatitis B virus genotypes on the intra- and extracellular expression of viral DNA and antigens.

scientific article published on October 2006

Integration of hepatitis B virus DNA into chromosomal DNA during acute hepatitis B

scientific article

Liver cancer mortality trends in South Africa: 1999-2015

scientific article published on 07 August 2018

Molecular Characterization of Near Full-Length Genomes of Hepatitis B Virus Isolated from Predominantly HIV Infected Individuals in Botswana

article

Molecular characterization of duck hepatitis B virus isolates from South African ducks.

scientific article published in March 2004

Molecular characterization of hepatitis B virus in liver disease patients and asymptomatic carriers of the virus in Sudan

scientific article

Molecular characterization of hepatitis B virus isolated from Black South African cancer patients, with and without hepatocellular carcinoma

scientific article published on 05 June 2020

Molecular characterization of hepatitis B virus isolates from Zimbabwean blood donors.

scientific article published on February 2011

Molecular characterization of subgenotype A1 (subgroup Aa) of hepatitis B virus

scientific article published on July 2007

Molecular tracing of the global hepatitis C virus epidemic predicts regional patterns of hepatocellular carcinoma mortality

scientific article published in March 2006

Mutation Reporter Tool: an online tool to interrogate loci of interest, with its utility demonstrated using hepatitis B virus

scientific article

Novel hepatitis B virus genotype a subtyping assay that distinguishes subtype Aa from Ae and its application in epidemiological studies

scientific article

Nucleic acid sequence analysis of the precore region of hepatitis B virus from sera of southern African black adult carriers of the virus.

scientific article published in January 1997

Occult hepatitis B virus infection in chacma baboons, South Africa

scientific article published on April 2013

Overt and occult hepatitis B virus infection in adult Sudanese HIV patients

scientific article published on 24 October 2014

Paediatric Virology and its interaction between basic science and clinical practice (Review).

scientific article published on 4 January 2018

Paediatric Virology: A rapidly increasing educational challenge.

scientific article published on 23 December 2016

Peculiarities in the designations of hepatitis B virus genes, their products, and their antigenic specificities: a potential source of misunderstandings

scientific article published on 06 February 2020

Prevalence of hepatitis B virus (HBV) co-infection in HBV serologically-negative South African HIV patients and retrospective evaluation of the clinical course of mono- and co-infection

scientific article published on 3 February 2012

Relationship of serological subtype, basic core promoter and precore mutations to genotypes/subgenotypes of hepatitis B virus.

scientific article published in January 2008

Response of hepatitis B virus to antiretroviral treatment containing lamivudine in HBsAg-positive and HBsAg-negative HIV-positive South African adults

scientific article published on 18 December 2018

Retrospective characterization of the S open reading frame of HBV isolated from children with membranous nephropathy treated with interferon-alpha2b.

scientific article published on January 2010

Sequence variation upstream of precore translation initiation codon reduces hepatitis B virus e antigen production

scientific article published in November 2003

Structure and function of the encapsidation signal of hepadnaviridae.

scientific article

Subgenotype A1 of HBV – Tracing Human Migrations in and Out of Africa

scientific article published on June 21, 2013

The Multiple Roles of Hepatitis B Virus X Protein (HBx) Dysregulated MicroRNA in Hepatitis B Virus-Associated Hepatocellular Carcinoma (HBV-HCC) and Immune Pathways

scientific article published on 10 July 2020

The Regulatory Role of MicroRNA in Hepatitis-B Virus-Associated Hepatocellular Carcinoma (HBV-HCC) Pathogenesis

scientific article published on 24 November 2019

The clinical implications of hepatitis B virus genotypes and HBeAg in pediatrics

scientific article

The effect of the G1888A mutation of subgenotype A1 of hepatitis B virus on the translation of the core protein

scientific article

The hepatitis B epidemic and the urgent need for cure preparedness

article published in 2018

Treatment of hepatitis B virus-associated nephropathy in black children.

scientific article published in June 2002

Unravelling the history of hepatitis B virus genotypes A and D infection using a full-genome phylogenetic and phylogeographic approach

scientific article published on 07 August 2018

When should "I" consider a new hepatitis B virus genotype?

scientific article