Polar Bear | List of Frontiers open access articles

Original Research

Published on 16 Feb 2026

Platelet-rich plasma-derived microRNA let-7a-5p alleviates knee osteoarthritis by regulating macrophage polarization and improving inflammatory microenvironment

in Inflammation

Qishan Li
Mengjie Wang
Dong Wang
Yaochi Nie
Xueyuan Sun
Lin Na
Dongmei Yan
Yuhang Ma
Hui Wang

Frontiers in Immunology

doi 10.3389/fimmu.2026.1756467

177 views

Original Research

Published on 16 Feb 2026

Development of a tool for assessing awareness of consequences of suicide

in Psychopathology

Vanessa G. Macintyre
Daniel Pratt
Warren Mansell
Sara J. Tai

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1736232

434 views

Original Research

Published on 16 Feb 2026

Association between ambulatory blood pressure monitoring parameters and left ventricular hypertrophy in an Ecuadorian population

in Precision Medicine

Patricia Delgado Cedeño
José Espinoza-Plaza
Estefanía Arteaga Herrera
Joao Tumbaco Mite
Killen H. Briones Zamora
Killen H. Briones Claudett

Frontiers in Medicine

doi 10.3389/fmed.2026.1767168

173 views

Original Research

Published on 16 Feb 2026

Marine environmental protection in island and reef construction: current situation, impact and countermeasures

in Marine Pollution

Zheng Xing
Xvwei Liu

Frontiers in Marine Science

doi 10.3389/fmars.2026.1681419

205 views

Case Report

Published on 16 Feb 2026

Case Report: Awake lateral decubitus intubation for a patient with critical tracheal stenosis secondary to retrosternal goiter: salvaging a 2 mm airway without ECMO support

in Head and Neck Cancer

ShuiJing Wu
BingDuo Wang
Ping Cui
Hui Ye
ShengWen Song
XiangMing Fang
GuoHao Xie

Frontiers in Oncology

doi 10.3389/fonc.2026.1712391

230 views

Original Research

Published on 16 Feb 2026

School climate and student wellbeing across compulsory education in Portugal: a cross-sectional study of grade-level differences

in Mental Health and Wellbeing in Education

Nadia Ferreira
José Castro Silva

Frontiers in Education

doi 10.3389/feduc.2026.1698941

255 views

Original Research

Published on 16 Feb 2026

Advancing access to CAR T-cell therapy: insights and real-world experience from a community oncology practice

in Hematologic Malignancies

Gary L. Simmons
Scott Cross
Elias C. Pittos

Frontiers in Oncology

doi 10.3389/fonc.2026.1712533

152 views

Original Research

Published on 16 Feb 2026

Chemogenetic Schwann cell activation impairs early myelination and triggers adult demyelination in the peripheral nervous system

in Cellular Neurophysiology

Jazmin G. Corral
Veronica T. Cheli
Diara A. Santiago-Gonzalez
Karishma G. Kedari
Pablo M. Paez

Frontiers in Cellular Neuroscience

doi 10.3389/fncel.2026.1771951

285 views

Original Research

Published on 16 Feb 2026

Construction and application of a BOPPPS-based clinical teaching model in the operating room: effects on surgical-team performance and patient safety

in Healthcare Professions Education

Shudan Qiang
Yan Zhu
Jia Tang
Zhiqiang Chen

Frontiers in Medicine

doi 10.3389/fmed.2026.1670242

106 views

Review

Published on 16 Feb 2026

Alterations in lipid metabolism and blood profile in gynecological cancers – potential strategies in diagnosis and treatment

in Lipid and Fatty Acid Research

Yelyzaveta Razghonova
Anna Abacjew-Chmylko
Monika Czapiewska
Dariusz Wydra
Julian Swierczynski
Adriana Mika
Tomasz Sledzinski

Frontiers in Physiology

doi 10.3389/fphys.2026.1741759

259 views

Original Research

Published on 16 Feb 2026

Green synthesis, characterization, and anticancer activity of silver nanoparticles via Pulsatilla koreana root extract

in Nutrition and Food Science Technology

Yaxi Han
Ling Zhu
Xindi Zhang
Kunlun Wang
Dixin Sha
Qing Chen
Xinmiao Yao
Ye Zhou
Bo Li
Lijun Guan

Frontiers in Nutrition

doi 10.3389/fnut.2026.1746280

221 views

Original Research

Published on 16 Feb 2026

A latent profile analysis and network analysis of comorbidity of depression and anxiety in left-behind adolescents

in Psychopathology

Junying Wang
Ning Jia

Frontiers in Psychology

doi 10.3389/fpsyg.2026.1751196

Original Research

Published on 16 Feb 2026

Isolation and identification of Pseudoxanthomonas winnipegensis from blood culture by MALDI-MS

in Bacteria and Host

Satomi Takei
Tatsuya Nagasawa
Yuji Sekiguchi
Junya Fujimura
Kanae Teramoto
Mitsuru Wakita
Teruo Kirikae
Yuki Uehara
Tatsuya Tada
Yoko Tabe

Frontiers in Cellular and Infection Microbiology

doi 10.3389/fcimb.2026.1755501

217 views

Case Report

Published on 16 Feb 2026

Real-world use of theophylline in critically ill patients with sinus pauses: a case series

in Intensive Care Cardiovascular Medicine

Muhammad Ali Elahi
Hamza Jalal
William Frick
Bryan D. Kraft

Frontiers in Cardiovascular Medicine

doi 10.3389/fcvm.2026.1731993

135 views

Perspective

Published on 16 Feb 2026

Chrono-immunotherapy’s current and future optimization strategies: immunotherapy timing in line with the circadian rhythm brings longer survival benefits

in Cancer Immunity and Immunotherapy

Daiwei Liu
Zhanlin Li
Huijuan Cui
Hua Zhang
Hai Li
Xiaoyuan Wu

Frontiers in Immunology

doi 10.3389/fimmu.2026.1777437

157 views

Case Report

Published on 16 Feb 2026

Case Report: Deletion in the 5' untranslated region of TAFAZZIN in a boy with Barth syndrome

in Pediatric Cardiology

Emma S. Singer
Janine Smith
Richard Lin
Ansley M. Morrish
Sean Lal
Claire Irving
Charlene Casey
Ingrid King
Robert G. Weintraub
Richard D. Bagnall

Frontiers in Cardiovascular Medicine

doi 10.3389/fcvm.2026.1766067

305 views

Articles

Platelet-rich plasma-derived microRNA let-7a-5p alleviates knee osteoarthritis by regulating macrophage polarization and improving inflammatory microenvironment

Development of a tool for assessing awareness of consequences of suicide

Association between ambulatory blood pressure monitoring parameters and left ventricular hypertrophy in an Ecuadorian population

Marine environmental protection in island and reef construction: current situation, impact and countermeasures

Case Report: Awake lateral decubitus intubation for a patient with critical tracheal stenosis secondary to retrosternal goiter: salvaging a 2 mm airway without ECMO support

School climate and student wellbeing across compulsory education in Portugal: a cross-sectional study of grade-level differences

Advancing access to CAR T-cell therapy: insights and real-world experience from a community oncology practice

Chemogenetic Schwann cell activation impairs early myelination and triggers adult demyelination in the peripheral nervous system

Construction and application of a BOPPPS-based clinical teaching model in the operating room: effects on surgical-team performance and patient safety

Alterations in lipid metabolism and blood profile in gynecological cancers – potential strategies in diagnosis and treatment

Green synthesis, characterization, and anticancer activity of silver nanoparticles via Pulsatilla koreana root extract

A latent profile analysis and network analysis of comorbidity of depression and anxiety in left-behind adolescents

Isolation and identification of Pseudoxanthomonas winnipegensis from blood culture by MALDI-MS

Real-world use of theophylline in critically ill patients with sinus pauses: a case series

Chrono-immunotherapy’s current and future optimization strategies: immunotherapy timing in line with the circadian rhythm brings longer survival benefits

Case Report: Deletion in the 5' untranslated region of TAFAZZIN in a boy with Barth syndrome