「珍型コロナ」タグアーカイブ

Obesity and covid-19: the role of the food industry | The BMJ

Increasing evidence indicates that obesity is an independent risk factor for severe illness and death from covid-19.123456 In the UK, a population cohort study (428 225 participants; 340 admitted to hospital with confirmed covid-19, 44% of whom were overweight and 34% obese)1 and the OpenSAFELY study using linked electronic health records (17 425 445 participants, 5683 covid-19 deaths (29% overweight, 33% obese))2 have shown a dose-response relation between excess weight and severity of covid-19. After potential confounders, including age, sex, ethnicity, and social deprivation, were adjusted for, the relative risk of critical illness from covid-19 increased by 44% for people who were overweight (relative risk 1.44, 95% confidence interval 1.08 to 1.92) and almost doubled for those with obesity (1.97, 1.46 to 2.65) in the cohort study.1

Similarly, in the OpenSAFELY study, after all other risk factors (including comorbidities) were fully adjusted for, the risk of dying from covid-19 increased with obesity severity, from a 27% higher risk in the first obesity category (body mass index (BMI) 30-34.9; hazard ratio 1.27, 1.18 to 1.36) to more than doubling of the risk in the most obese category (BMI >40; 2.27, 1.99 to 2.58).2 Smaller studies from the Asia-Pacific region, Europe, and the US have confirmed these findings.3456
— 読み進める www.bmj.com/content/369/bmj.m2237

肥満はコロナの重篤になる危険因子

Clinical manifestations, risk factors, and maternal and perinatal outcomes of coronavirus disease 2019 in pregnancy: living systematic review and meta-analysis | The BMJ

Clinical manifestations, risk factors, and maternal and perinatal outcomes of coronavirus disease 2019 in pregnancy: living systematic review and meta-analysis
— 読み進める www.bmj.com/content/370/bmj.m3320

妊娠中のコロナウイルス病2019の臨床症状、危険因子、および母体と周産期の転帰:生きている系統的レビューとメタアナリシス

Properties and function of polyreactive antibodies and polyreactive antigen-binding B cells – ScienceDirect

Properties and function of polyreactive antibodies and polyreactive antigen-binding B cells
— 読み進める www.sciencedirect.com/science/article/abs/pii/S0896841107000984

多反応性抗体と多反応性抗原結合B細胞の特性と機能

要約

ハイブリドーマ技術の出現により、個々の抗体分子を詳細に研究することが可能になりました。 これらの研究は、免疫系に対する私たちの見方を変え続けている多くの驚きを明らかにしました。 これらのどれも、多くの抗体分子が多反応性であるというデモンストレーションほど驚くべきものではありませんでした。つまり、それらはさまざまな異なる構造的に無関係な自己および非自己外来抗原に結合できます。 これらの発見は、自己反応性が一般的であり、必ずしも免疫系の禁止または病原性の特徴ではなく、天然抗体のよく知られている広範な抗菌活性が主に多反応性抗体によるものであることを明らかにしている。 この簡単なレビューでは、これらの洞察と、基礎免疫学および臨床免疫学への影響について説明します。