Harel Dahari

Dr. Harel Dahari

orcid

Research Focus & Metrics

Academic Career Length

11Years (2016-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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18 September 2021 in Biomolecules
Verified
Journal Article
Open access
PDF file
DSDaniel Sausen
Daniel Sausen
Maimoona Shahid BhuttaMaimoona Shahid Bhutta
Maimoona Shahid Bhutta
EGElisa S. Gallo
Elisa S. Gallo
HDHarel Dahari
Harel Dahari
RBRonen Borenstein
Ronen Borenstein
Epstein-Barr virus (EBV) is typically found in a latent, asymptomatic state in immunocompetent individuals. Perturbations of the host immune system can stimulate viral reactivation. Furthermore, there are a myriad of EBV-associated illnesses including various cancers, post-transplant lymphoproliferative disease, and autoimmune conditions. A thorough understanding of this virus, and the interplay between stress and the immune system, is essential to establish effective treatment. This review will provide a summary of the interaction between both psychological and cellular stressors resulting in EBV reactivation. It will examine mechanisms by which EBV establishes and maintains latency and will conclude with a brief overview of treatments targeting EBV.

20 July 2023 in Cancers
Verified
Journal Article
Open access
PDF file
DSDaniel Sausen
Daniel Sausen
OSOren Shechter
Oren Shechter
EGElisa S. Gallo
Elisa S. Gallo
HDHarel Dahari
Harel Dahari
RBRonen Borenstein
Ronen Borenstein
There is a significant body of research examining the role of human papillomavirus (HPV) in the pathogenesis of cervical cancer, with a particular emphasis on the oncogenic proteins E5, E6, and E7. What is less well explored, however, is the relationship between cervical cancer and herpes simplex virus (HSV). To date, studies examining the role of HSV in cervical cancer pathogenesis have yielded mixed results. While several experiments have determined that HPV/HSV-2 coinfection results in a higher risk of developing cervical cancer, others have questioned the validity of this association. However, clarifying the potential role of HSV in the pathogenesis of cervical cancer may have significant implications for both the prevention and treatment of this disease. Should this relationship be clarified, treating and preventing HSV could open another avenue with which to prevent cervical cancer. The importance of this is highlighted by the fact that, despite the creation of an effective vaccine against HPV, cervical cancer still impacts 604,000 women and is responsible for 342,000 deaths annually. This review provides an overview of HSV and HPV infections and then delves into the possible links between HPV, HSV, and cervical cancer. It concludes with a summary of preventive measures against and recent treatment advances in cervical cancer.

Verified
Journal Article
Open access
PDF file
OSOren Shechter
Oren Shechter
DSDaniel Sausen
Daniel Sausen
EGElisa S. Gallo
Elisa S. Gallo
HDHarel Dahari
Harel Dahari
RBRonen Borenstein
Ronen Borenstein
Epstein–Barr virus (EBV) is one of eight known herpesviruses with the potential to infect humans. Globally, it is estimated that between 90–95% of the population has been infected with EBV. EBV is an oncogenic virus that has been strongly linked to various epithelial malignancies such as nasopharyngeal and gastric cancer. Recent evidence suggests a link between EBV and breast cancer. Additionally, there are other, rarer cancers with weaker evidence linking them to EBV. In this review, we discuss the currently known epithelial malignancies associated with EBV. Additionally, we discuss and establish which treatments and therapies are most recommended for each cancer associated with EBV.

20 February 2023 in Hepatology
Verified
Journal Article
Open access
OEOhad Etzion
Ohad Etzion
SHSaeed Hamid
Saeed Hamid
YLYoav Lurie
Yoav Lurie
EGEdward J. Gane
Edward J. Gane
DYDavid Yardeni
David Yardeni
JGJeffrey S. Glenn
Jeffrey S. Glenn
Background and Aims: HDV infection leads to the most aggressive form of human viral hepatitis for which there is no FDA-approved therapy. PEG IFN-lambda-1a (Lambda) has previously demonstrated a good tolerability profile in HBV and HCV patients compared to PEG IFN-alfa. The goal of Phase 2 LIMT-1 trial was to evaluate the safety and efficacy of Lambda monotherapy in patients with HDV. Approach and Results: An open-label study of Lambda 120 or 180 mcg, administered once weekly by subcutaneous injections for 48 weeks, followed by 24 weeks of posttreatment follow-up. Thirty-three patients were allocated to Lambda 180 mcg (n=14) or 120 mcg (n=19). Baseline mean values: HDV RNA 4.1 log10 IU/mL (SD±1.4); ALT 106 IU/L (35–364); and bilirubin 0.5 mg/dL (0.2–1.2). Intention-to-treat rates of virologic response to Lambda 180 mcg and 120 mcg, 24 weeks following treatment cessation were 5 of 14(36%) and 3 of 19 (16%), respectively. The posttreatment response rate of 50% was seen in low BL viral load (≤4 log10) on 180 mcg. Common on-treatment adverse events included flu-like symptoms and elevated transaminase levels. Eight (24%) cases of hyperbilirubinemia with or without liver enzyme elevation, leading to drug discontinuation, were mainly observed in the Pakistani cohort. The clinical course was uneventful, and all responded favorably to dose reduction or discontinuation. Conclusions: Treatment with Lambda in patients with chronic HDV may result in virologic response during and following treatment cessation. Clinical phase 3 development of Lambda for this rare and serious disease is ongoing.

6 June 2018 in Hepatology
Verified
Journal Article
Closed access
PDF file
YIYuji Ishida
Yuji Ishida
TCTje Lin Chung
Tje Lin Chung
MIMichio Imamura
Michio Imamura
NHNobuhiko Hiraga
Nobuhiko Hiraga
SSSuranjana Sen
Suranjana Sen
KCKazuaki Chayama
Kazuaki Chayama

1 August 2017 in Antiviral Research
Verified
Journal Article
Closed access
AGAshish Goyal
Ashish Goyal
YLYoav Lurie
Yoav Lurie
EMEric G. Meissner
Eric G. Meissner
MMMarian Major
Marian Major
NSNatasha Sansone
Natasha Sansone
HDHarel Dahari
Harel Dahari