1. Zuberbier T, Asero R, Bindslev-Jensen C, Walter Canonica G, Church MK, Giménez-Arnau AM, Grattan CE, Kapp A, Maurer M, Merk HF, et al. EAACI/GA(2)LEN/EDF/WAO guideline: management of urticaria. Allergy. 2009; 64:1427–1443.
2. Morgan M, Khan DA. Therapeutic alternatives for chronic urticaria: an evidence-based review, part 1. Ann Allergy Asthma Immunol. 2008; 100:403–411.
3. Kaplan AP. Treatment of chronic spontaneous urticaria. Allergy Asthma Immunol Res. 2012; 4:326–331.
4. Grattan CE, O'Donnell BF, Francis DM, Niimi N, Barlow RJ, Seed PT, Kobza Black A, Greaves MW. Randomized double-blind study of cyclosporin in chronic 'idiopathic' urticaria. Br J Dermatol. 2000; 143:365–372.
5. Nam YH, Kim JH, Jin HJ, Hwang EK, Shin YS, Ye YM, Park HS. Effects of omalizumab treatment in patients with refractory chronic urticaria. Allergy Asthma Immunol Res. 2012; 4:357–361.
6. Kessel A, Bishara R, Amital A, Bamberger E, Sabo E, Grushko G, Toubi E. Increased plasma levels of matrix metalloproteinase-9 are associated with the severity of chronic urticaria. Clin Exp Allergy. 2005; 35:221–225.
7. Kasperska-Zajac A, Sztylc J, Machura E, Jop G. Plasma IL-6 concentration correlates with clinical disease activity and serum C-reactive protein concentration in chronic urticaria patients. Clin Exp Allergy. 2011; 41:1386–1391.
8. Tedeschi A, Lorini M, Suli C, Asero R. Serum interleukin-18 in patients with chronic ordinary urticaria: association with disease activity. Clin Exp Dermatol. 2007; 32:568–570.
9. Triwongwaranat D, Kulthanan K, Chularojanamontri L, Pinkaew S. Correlation between plasma D-dimer levels and the severity of patients with chronic urticaria. Asia Pac Allergy. 2013; 3:100–105.
10. Zuberbier T, Asero R, Bindslev-Jensen C, Walter Canonica G, Church MK, Giménez-Arnau A, Grattan CE, Kapp A, Merk HF, Rogala B, et al. EAACI/GA(2)LEN/EDF/WAO guideline: definition, classification and diagnosis of urticaria. Allergy. 2009; 64:1417–1426.
11. Falcone FH, Knol EF, Gibbs BF. The role of basophils in the pathogenesis of allergic disease. Clin Exp Allergy. 2011; 41:939–947.
12. Grattan CE, Dawn G, Gibbs S, Francis DM. Blood basophil numbers in chronic ordinary urticaria and healthy controls: diurnal variation, influence of loratadine and prednisolone and relationship to disease activity. Clin Exp Allergy. 2003; 33:337–341.
13. Ito Y, Satoh T, Takayama K, Miyagishi C, Walls AF, Yokozeki H. Basophil recruitment and activation in inflammatory skin diseases. Allergy. 2011; 66:1107–1113.
14. Lourenço FD, Azor MH, Santos JC, Prearo E, Maruta CW, Rivitti EA, Duarte AJ, Sato MN. Activated status of basophils in chronic urticaria leads to interleukin-3 hyper-responsiveness and enhancement of histamine release induced by anti-IgE stimulus. Br J Dermatol. 2008; 158:979–986.
15. Asero R, Lorini M, Chong SU, Zuberbier T, Tedeschi A. Assessment of histamine-releasing activity of sera from patients with chronic urticaria showing positive autologous skin test on human basophils and mast cells. Clin Exp Allergy. 2004; 34:1111–1114.
16. Gentinetta T, Pecaric-Petkovic T, Wan D, Falcone FH, Dahinden CA, Pichler WJ, Hausmann OV. Individual IL-3 priming is crucial for consistent in vitro activation of donor basophils in patients with chronic urticaria. J Allergy Clin Immunol. 2011; 128:1227.e5–1234.e5.
17. Chirumbolo S. Basophil activation test in allergy: time for an update. Int Arch Allergy Immunol. 2012; 158:99–114.
18. Boumiza R, Monneret G, Forissier MF, Savoye J, Gutowski MC, Powell WS, Bienvenu J. Marked improvement of the basophil activation test by detecting CD203c instead of CD63. Clin Exp Allergy. 2003; 33:259–265.
19. Chinuki Y, Kaneko S, Dekio I, Takahashi H, Tokuda R, Nagao M, Fujisawa T, Morita E. CD203c expression-based basophil activation test for diagnosis of wheat-dependent exercise-induced anaphylaxis. J Allergy Clin Immunol. 2012; 129:1404–1406.
20. Eckman JA, Hamilton RG, Gober LM, Sterba PM, Saini SS. Basophil phenotypes in chronic idiopathic urticaria in relation to disease activity and autoantibodies. J Invest Dermatol. 2008; 128:1956–1963.
21. Yasnowsky KM, Dreskin SC, Efaw B, Schoen D, Vedanthan PK, Alam R, Harbeck RJ. Chronic urticaria sera increase basophil CD203c expression. J Allergy Clin Immunol. 2006; 117:1430–1434.
22. Vasagar K, Vonakis BM, Gober LM, Viksman A, Gibbons SP Jr, Saini SS. Evidence of in vivo basophil activation in chronic idiopathic urticaria. Clin Exp Allergy. 2006; 36:770–776.
23. Ye YM, Park JW, Kim SH, Choi JH, Hur GY, Lee HY, Lee EH, Park HS. Clinical evaluation of the computerized chronic urticaria-specific quality of life questionnaire in Korean patients with chronic urticaria. Clin Exp Dermatol. 2012; 37:722–728.
24. Saini SS, MacGlashan D. How IgE upregulates the allergic response. Curr Opin Immunol. 2002; 14:694–697.
25. Schroeder JT, Chichester KL, Bieneman AP. Human basophils secrete IL-3: evidence of autocrine priming for phenotypic and functional responses in allergic disease. J Immunol. 2009; 182:2432–2438.
26. Gernez Y, Tirouvanziam R, Yu G, Ghosn EE, Reshamwala N, Nguyen T, Tsai M, Galli SJ, Herzenberg LA, Herzenberg LA, et al. Basophil CD203c levels are increased at baseline and can be used to monitor omalizumab treatment in subjects with nut allergy. Int Arch Allergy Immunol. 2011; 154:318–327.
27. Bühring HJ, Streble A, Valent P. The basophil-specific ectoenzyme E-NPP3 (CD203c) as a marker for cell activation and allergy diagnosis. Int Arch Allergy Immunol. 2004; 133:317–329.