1. COVID-19-associated opportunistic infections: a snapshot on the current reports

   • Amir Abdoli
   • Shahab Falahi
   • Azra Kenarkoohi

   Review Article 23 August 2021 Pages: 327 - 346

   

2. High levels of Von Willebrand factor markers in COVID-19: a systematic review and meta-analysis

   • Mehrdad Rostami
   • Hassan Mansouritorghabeh
   • Mohammad Parsa-Kondelaji

   Review Article 06 November 2021 Pages: 347 - 357

   

3. Special situations in pheochromocytomas and paragangliomas: pregnancy, metastatic disease, and cyanotic congenital heart diseases

   • Marta Araujo-Castro
   • Lía Nattero Chavez
   • Eider Pascual-Corrales

   Review Article 30 September 2021 Pages: 359 - 370

   

4. FURIN correlated with immune infiltration serves as a potential biomarker in SARS-CoV-2 infection-related lung adenocarcinoma

   • Lianxiang Luo
   • Manshan Li
   • Hui Luo

   Original Article 12 September 2021 Pages: 371 - 384

   

5. miR-522 regulates cell proliferation, migration, invasion capacities and acts as a potential biomarker to predict prognosis in triple-negative breast cancer

   • Wei Wang
   • Wei Zhang
   • Jinglin Ma

   Original Article 14 September 2021 Pages: 385 - 392

   

6. PEAK1 promotes invasion and metastasis and confers drug resistance in breast cancer

   • Xingang Wang
   • Yan Zheng
   • Yu Wang

   Original Article Open access 23 September 2021 Pages: 393 - 402

   

7. Cortactin and HER2 as potential markers for dural-targeted therapy in advanced gastric cancer

   • Jun Wei
   • Yimin Wang
   • Yaguo Wang

   Original Article 17 September 2021 Pages: 403 - 410

   

8. Programmed cell death-ligand 1 (PD-L1)⁺ tumour cells and low-reacting programmed cell death 1 (PD1)⁺ tumour-infiltrating lymphocytes predict poor prognosis in Epstein–Barr virus⁺ diffuse large B-cell lymphoma

   • Shoichi Kimura
   • Yumi Oshiro
   • Morishige Takeshita

   Original Article 13 September 2021 Pages: 411 - 419

   

9. Serum resistin is predictive marker of development of new digital ulcers in systemic sclerosis

   • Chiara Pellicano
   • Giorgia Leodori
   • Edoardo Rosato

   Original Article Open access 30 August 2021 Pages: 421 - 426

   

10. Association between complement gene polymorphisms and systemic lupus erythematosus: a systematic review and meta-analysis

    • Hamidreza Ebrahimiyan
    • Shayan Mostafaei
    • Mahdi Mahmoudi

    Original Article 14 September 2021 Pages: 427 - 438

    

11. Factors associated with the antinuclear antibody (ANA) titer of systemic autoimmune rheumatic diseases in ANA-positive patients after treatment: a retrospective study

    • Yun Xiao
    • Yiqiang Lin
    • Yanli Zeng

    Original Article 20 September 2021 Pages: 439 - 446

    

12. Clinical features and outcomes of anti-neutrophil cytoplasmic autoantibody-associated vasculitis in Chinese childhood-onset patients

    • Ting Meng
    • Chanjuan Shen
    • Xiangcheng Xiao

    Original Article 22 September 2021 Pages: 447 - 453

    

13. Clinical characteristics and outcomes of idiopathic membranous nephropathy with glomerular IgM deposits

    • Xu Yu-Zhu
    • Huang Na-Ya
    • Wang Xin

    Original Article 26 October 2021 Pages: 455 - 464

    

14. Neither inflammatory bowel disease nor immunosuppressants are associated with an increased risk of severe COVID-19: an observational Dutch cohort study

    • Lennard P. L. Gilissen
    • Stefan G. H. Heinen
    • Arnold Stronkhorst

    Original Article 20 September 2021 Pages: 465 - 476

15. Evaluation of antibody response to BNT162b2 mRNA COVID-19 vaccine in patients affected by immune-mediated inflammatory diseases up to 5 months after vaccination

    • Davide Firinu
    • Andrea Perra
    • Luchino Chessa

    Original Article Open access 05 November 2021 Pages: 477 - 485

    

16. Effectiveness of methylprednisolone therapy in patients with a high-risk common type of COVID-19 pneumonia: a retrospective cohort study

    • Lei Liu
    • Hang Qu
    • Li Chun Che

    Original Article 22 October 2021 Pages: 487 - 497