HER-3 molecular classification, expression of PD-L1 and clinical importance in breast cancer

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00064173%3A_____%2F22%3A43924016" target="_blank" >RIV/00064173:_____/22:43924016 - isvavai.cz</a>

Alternative codes found

RIV/00216208:11110/22:10448503 RIV/00216208:11120/22:43924016

Result on the web

<a href="https://doi.org/10.4149/BLL_2022_115" target="_blank" >https://doi.org/10.4149/BLL_2022_115</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.4149/BLL_2022_115" target="_blank" >10.4149/BLL_2022_115</a>

Result language

angličtina

Original language name

HER-3 molecular classification, expression of PD-L1 and clinical importance in breast cancer

Original language description

Receptors of the large HER family play an important role in breast cancer, which is undergoing a gradual development in connection with biological development, both in the fi eld of diagnostics and therapy. Dimerization of HER-2 with other HER members, such as HER-3, is the biggest driver of tumor cell growth and survival. Numerous studies show that HER-3 gene overexpression correlates with poor prognosis. However, other studies have shown HER-3 overexpression to be a positive prognostic factor. HER-3 may confer resistance to certain EGFR or HER-2 receptor therapeutics. An interesting fact, however, is that HER-3 expression can serve as a marker in immunotherapy for triple-negative breast cancer (TNBC). It is thought to be involved not only in cell survival and proliferation, but also in the regulation of PD-L1 expression. In breast cancer, PD-L1 expression is heterogeneous and is generally associated with the presence of tumor-infi ltrating lymphocytes and a number of factors with poor prognosis such as young age, hormone receptor negativity, and high HER-2 expression and proliferation index. Our results showed amplifi cation of HER-3 (CERB3) in 2 out of a sample of 20 patients with TNBC, and 13 of 20 HER-2-positive patients. PD-L1 expression was demonstrated in 3 out of 13 HER-3-positive patients and 2 out of 2 HER-3-positive TNBC patients. There was a strong correlation between positive HER-3 and PD-L1 TNBC expression (p = &lt; 0.001). Thus, the view of the HER-3 receptor will be much more complex, and the overexpression of this receptor appears to have both negative and positive prognostic and clinical impacts (Tab. 1, Ref. 17).

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

30204 - Oncology

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Bratislavské lekárske listy / Bratislava Medical Journal

ISSN

0006-9248

e-ISSN

1336-0345

Volume of the periodical

123

Issue of the periodical within the volume

10

Country of publishing house

SK - SLOVAKIA

Number of pages

5

Pages from-to

719-723

UT code for WoS article

000858637000005

EID of the result in the Scopus database

2-s2.0-85138137092