Question: Signaling of which pathways is inhibited by Dupilumab?

Context:
This study reviewed all studies about any roles of IL-4 that can directly and indirectly be played in the development of pemphigus and IL-4 inhibition with interferons and dupilumab therapy were introduced as a novel pemphigus treatment for patients who are in relapse phase of the disease. Dupilumab was also introduced as a possible treatment for patients with severe pemphigus. It can directly inhibit IL-4 by targeting IL-4 α-chain receptor. 
OBJECTIVE: To assess inhibition of interleukins 4 and 13 with dupilumab in patients with chronic sinusitis and nasal polyposis.
BACKGROUND: Dupilumab, a fully human anti-interleukin-4 receptor α monoclonal antibody, inhibits interleukin-4 and interleukin-13 signalling, key drivers of type-2-mediated inflammation. 
Anti-IL-4 and IL-13 agents (dupilumab, lebrikizumab, and tralokinumab) which block different Th-2 inflammatory pathways and agents targeting the Th-17 inflammatory pathway in severe refractory asthma are under development.
Best evidence of the clinical efficacy of novel immunologic approaches using biological agents in patients with AD is available for the anti-IL-4 receptor α-chain antibody dupilumab, but a number of studies are currently ongoing with other specific antagonists to immune system players.
Background Dupilumab, a human monoclonal antibody against interleukin-4 receptor alpha, inhibits signaling of interleukin-4 and interleukin-13, type 2 cytokines that may be important drivers of atopic or allergic diseases such as atopic dermatitis. 
The world's first prospective controlled studies with the biologic human anti-IL4R antibody dupilumab for the indication "atopic dermatitis" were published in 2014.
An IL-4R antagonist, dupilumab, is the first drug that shows great promise in phase II trials. 
Dupilumab, a humanized monoclonal antibody to the interteukin-4R is the first antibody (i.e. 'biological') with published efficacy shown in controlled prospective studies in atopic dermatitis. 
Dupilumab is a fully human monoclonal antibody directed against the IL-4 receptor α subunit that blocks the signaling of IL-4 and IL-13, both key cytokines in Th2-mediated pathways.
Dupilumab inhibits interleukin-4 (IL-4) and interleukin-13 (IL-13) signaling and was previously found to be effective in asthma.
Data from early-stage studies suggested that interleukin (IL)-4 and IL-13 are requisite drivers of atopic dermatitis, evidenced by marked improvement after treatment with dupilumab, a fully-human monoclonal antibody that blocks both pathways.
Background Dupilumab, a human monoclonal antibody against interleukin-4 receptor alpha, inhibits signaling of interleukin-4 and interleukin-13, type 2 cytokines that may be important drivers of atopic or allergic diseases such as atopic dermatitis.
The robust effects of dupilumab on skin inflammation and pruritus confirm the pathogenic role of IL-4 and IL-13 signaling in adult AD, and further support the application of Th2 cytokine antagonists in the treatment of this disease.
Dupilumab, a fully human anti-interleukin-4 receptor α monoclonal antibody, inhibits interleukin-4 and interleukin-13 signalling, key drivers of type-2-mediated inflammation.
Dupilumab is a fully human monoclonal antibody directed against the IL-4 receptor α subunit that blocks the signaling of IL-4 and IL-13, both key cytokines in Th2-mediated pathways
In early-phase trials, dupilumab, a fully human mAb targeting IL-4 receptor �, markedly improved disease activity, but the effect of IL-4/IL-13 blockade on AD at the molecular level has not been characterized.OBJECTIVES: We sought to evaluate dupilumab modulation of the AD molecular signature.METHODS: We performed transcriptomic analyses of pretreatment and posttreatment skin biopsy specimens from patients with moderate-to-severe AD treated weekly with 150 or 300 mg of dupilumab or placebo.RESULTS: Exacerbation of the AD transcriptome was observed in placebo-treated patients. 
Dupilumab is a fully human monoclonal antibody directed against the IL-4 receptor α subunit that blocks the signaling of IL-4 and IL-13, both key cytokines in Th2-mediated pathways.
Dupilumab inhibits interleukin-4 (IL-4) and interleukin-13 (IL-13) signaling and was previously found to be effective in asthma.
The robust effects of dupilumab on skin inflammation and pruritus confirm the pathogenic role of IL-4 and IL-13 signaling in adult AD, and further support the application of Th2 cytokine antagonists in the treatment of this disease.
In early-phase trials, dupilumab, a fully human mAb targeting IL-4 receptor á, markedly improved disease activity, but the effect of IL-4/IL-13 blockade on AD at the molecular level has not been characterized.OBJECTIVES: We sought to evaluate dupilumab modulation of the AD molecular signature.METHODS: We performed transcriptomic analyses of pretreatment and posttreatment skin biopsy specimens from patients with moderate-to-severe AD treated weekly with 150 or 300 mg of dupilumab or placebo.RESULTS: Exacerbation of the AD transcriptome was observed in placebo-treated patients.

Answer: Dupilumab, a fully human anti-interleukin-4 receptor α monoclonal antibody, inhibits interleukin-4 and interleukin-13 signalling. It is used for treatment of atopic or allergic diseases.
Exact answer: interleukin-4, interleukin-13