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Plagiarism is one of the most common research misconducts and has many negative consequences. It can potentially destroy the reputation of an institution. Only a few studies have explored plagiarism in Saudi Arabia, and these have focused on academic institutions. Therefore, in this study, we investigated the attitudes of researchers towards plagiarism at a tertiary care hospital in Riyadh, Saudi Arabia, using the established Attitudes Towards Plagiarismquestionnaire. The questionnaire contains demographic data along with 29 statements divided into three sections: positive attitude towards plagiarism, which reflects the approval and acceptance of plagiarism (12 items); negative attitude towards plagiarism, which reflects deprecation and condemnation of plagiarism (7 items); and subjective norms towards plagiarism, which reflects personal perception of the extent and acceptance of plagiarism in society (10 items). Responses were collected from 237 participants. The overall attitudes of researchers showed a disapproval for plagiarism in medical research but also revealed some ambiguity about self‐plagiarism and a belief that others were more likely to plagiarize than the respondent. Our findings suggest that awareness about different forms of plagiarism among researchers should be increased. We recommend that researchers' attitudes towards plagiarism should be investigated further in a rigorous association study.

Introduction Type 1 diabetes mellitus (T1DM) is characterized by autoimmune destruction of insulin-producing pancreatic beta (β-) cells. Previous studies suggested an imbalance between and pro- and anti-inflammatory cytokines exacerbates T1DM development.Objectives We aimed to test the hypothesis that patients with T1DM carry a higher frequency of regulatory genes associated with low levels of the anti-inflammatory cytokines interleukin-4 (IL-4), its receptor (IL-4R), and interleukin-10 (IL-10).Methods Accordingly, we compared frequencies of five different single nucleotide polymorphisms (SNPs) in T1DM patients and healthy controls who had been typed for HLA-DRB1, HLA-DQA1, and HLA-DQB1 genes.Results The frequencies of rs2070874 (IL-4) alleles C and T differed between T1DM patients and controls (cp = 0.0065), as did their codominant (cp = 0.026) and recessive (cp = 0.015) models. Increased frequencies were observed in T1DM patients for HLA alleles: DRB1*03 (pc < 0.0013), DRB1*04 (cp = 0.0169), DQA1*03 (cp = 0.0222), DQA1*05 (cp < 0.0006), DQB1*02 (cp = 0.0005), and DQB1*06 (cp < 0.0005). And lower frequencies were observed for: DRB1*07 (cp = 0.0078), DRB1*11 (cp = 0.0013), DRB1*13 (cp < 0.0364), DRB1*15 (cp < 0.0013), DQA1*01 (cp < 0.0006), and DQA1*02 (cp = 0.0348). Certain DRB1: DQA1: DQB1 haplotypes showed greater frequencies, including, 03:05:02 (p < 0.0001) and 04:03:03 (p = 0.0017), whereas others showed lower frequencies, including, 07:02:02 (p = 0.0032), 11:05:03 (p = 0.0007), and 15:01:06 (p = 0.0002). Stratification for the above HLA haplotypes with rs2070874 C/C exhibited no significant differences between T1DM patients overall and controls. However, when stratified for the vulnerable HLA haplotype (03:05:02/04:03:03), young patients in whom T1DM began at ≤13 years had a higher frequency of the SNP (rs2070874 C/C); a gene associated with low IL-4 production (p < 0.024).Conclusion This study suggests that possession of the rs2070874 C/C genotype, which is associated with low production of IL-4, increases the risk of T1DM in young individuals carrying vulnerable HLA alleles/haplotypes.