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Identification of potential hot spots in the carboxy-terminal part of the Epstein-Barr virus (EBV) BNLF-1 gene in both malignant and benign EBV-associated diseases: high frequency of a 30-bp deletion in Malaysian and Danish peripheral T-cell lymphomas

Sandvej K, Peh SC, Andresen BS, Pallesen G

Blood, 1994 Dec 15;84(12):4053-60.
PMID: 7994023

In this study, we have sequenced the C-terminal part of the Epstein-Barr virus (EBV)-BNLF-1 gene encoding for the latent membrane protein-1 from tissues of EBV-positive Danish Hodgkin's disease (HD) and of Danish and Malaysian peripheral T-cell lymphomas (PTLs) and from tonsils of Danish infectious mononucleosis (IM). Our study showed that some of the 7 single-base mutations and the 30-bp deletion previously detected between codons of amino acid 322 and 366 in the BNLF-1 gene of the nasopharyngeal carcinoma cell line CAO were present in all Malaysian PTLs and in 60% of the Danish PTLs. In HD and the IM cases, the mutations were present in about 30%. The 30-bp deletion and the single base mutations occurred independently, and mutations were detectable in the majority of EBV type B-positive cases. These findings suggest that the 30-bp deletion and the 7 single-base mutations in the C-terminal part of the CAO-BNLF-1 gene do not characterize a new EBV type A substrain. Rather, some of the positions of single base mutations and the 30-bp deletion are hot spots that may have mutated independently through the evolution of EBV strains.
Fulltext An international perspective on illness identity in adults with congenital heart disease: Associations with patient characteristics, national culture and well-being

Van Laere E, Luyckx K, Van Bulck L, Kovacs AH, Goossens E, Ladak LA, et al.

Int J Cardiol, 2026 Dec 15;465:134954.
PMID: 42843459 DOI: 10.1016/j.ijcard.2026.134954

BACKGROUND: Illness identity refers to the degree to which a severe health condition is integrated into a person's sense of identity. Patients with congenital heart disease (CHD) vary in how they relate their CHD to their identity, which has implications for mental health, quality of life, and perceived health. This study explored inter-country variation in illness identity, and examined associations with patient characteristics and patient-reported outcomes in a large, international sample.
METHODS: This study utilized data from the APPROACH-IS-II project which included 8415 patients from 32 countries (collected between 2019 and 2022). Patients completed questionnaires on patient characteristics (i.e., age, sex, marital status, employment, education, ethnicity, NYHA class, and CHD complexity), illness identity, and patient-reported outcomes (i.e., depressive symptoms, anxiety, quality of life, self-perceived [mental and physical] health). National culture was included using Hofstede's cultural dimensions. Data were analyzed using multivariable generalized linear mixed models.
RESULTS: Inter-country variation was observed in the illness identity dimensions. Patient characteristics (i.e., sex, age, marital status, employment, education, NYHA class, and CHD complexity) and national culture were related to differences in how patients related their CHD to their identity. Acceptance and enrichment were related to better well-being, quality of life, and self-perceived health, while engulfment and rejection were associated with worse patient-reported outcomes.
CONCLUSIONS: Personal and contextual factors were associated with differences in the illness identity dimensions. Moreover, the present study substantiated the unique value of illness identity dimensions in explaining individual differences in well-being, quality of life, and self-perceived health in this population.

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