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We bootstrap the symbol of the maximal-helicity-violating four-particle form factor for the chiral part of the stress-tensor supermultiplet in planar N=4 super-Yang-Mills theory at two loops. When minimally normalized, this symbol involves only 34 letters and obeys the extended Steinmann relations in all partially overlapping three-particle momentum channels. In addition, the remainder function for this form factor exhibits an antipodal self-duality: It is invariant under the combined operation of the antipodal map defined on multiple polylogarithms-which reverses the order of the symbol letters-and a simple kinematic map. This self-duality holds on a four-dimensional parity-preserving kinematic hypersurface. It implies the antipodal duality recently noticed between the three-particle form factor and the six-particle amplitude in this theory.
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http://dx.doi.org/10.1103/PhysRevLett.130.111601 | DOI Listing |
Gut Microbes
December 2025
Health, Nutrition & Care (HNC), Dsm-Firmenich, Kaiseraugst, Switzerland.
In health, the gut microbiome functions as a stable ecosystem maintaining overall balance and ensuring its own survival against environmental stressors through complex microbial interaction. This balance and protection from stressors is maintained through interactions both within the bacterial ecosystem as well as with its host. As a consequence, the gut microbiome plays a critical role in various physiological processes including maintaining the structure and function of the gut barrier, educating the gut immune system, and modulating the gut motor, digestive/absorptive, as well as neuroendocrine system all of which are crucial for human health and disease pathogenesis.
View Article and Find Full Text PDFBMJ Open
March 2025
Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
Introduction: Cerebral palsy (CP) is a leading cause of motor developmental disability in children. Generating epidemiological data on CP could enable early diagnosis, intervention and translational research. We aim to establish a Korean network and online data repository for CP called the Korean Cerebral Palsy Registry (KCPR).
View Article and Find Full Text PDFBMJ Open
March 2025
Department of Renal Medicine, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK.
Objectives: To evaluate hospital outcomes and their predictors during the pandemic for patients with and without COVID-19, stratified by the presence of acute kidney injury (AKI).
Design: Retrospective observation study using the Hospital Episodes Statistics database for England.
Participants: 2 385 337 unique hospital admissions of adult patients from March 2020 to March 2021 in England.
Int J Nurs Pract
April 2025
Department of Public Health Nursing, Faculty of Nursing, Gazi University, Ankara, Türkiye.
Aim: To investigate the relationship between kinesiophobic attitudes and their causes and frailty in older people.
Methods: This descriptive, relationship-seeking study was conducted with 302 people aged over 65 years. The data were collected through face-to-face interviews between July and September 2023, using a personal information form, the Tampa Scale of Kinesiophobia, the Kinesiophobia Causes Scale (KCS) and the Edmonton Frail Scale (EFS).
J Allergy Clin Immunol
March 2025
National Institutes of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA. Electronic address:
Background: Interferon regulatory factor-2 binding protein-2 (IRF2BP2) is a transcription factor that plays an important role in regulating immune pathways, angiogenesis, apoptosis, and cell differentiation. Defects in this gene have been implicated in immunodeficiency.
Objective: To deepen the understanding of the clinical implications of IRF2BP2 variants, we sought to clinically characterize and functionally test thirty-four individuals with IRF2BP2 variants.
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