A Single Ascending Dose Study in Healthy Participants and Multiple Ascending Dose Study of CNTO 7160 in Participants With Asthma and Participants With Atopic Dermatitis

Inclusion Criteria: * Part 1 (Healthy Participants): Participant must have a body weight in the range of 50 to 100 kilogram (kg) inclusive and have a body mass index (BMI) of 19 to 30 kilogram per meter square (kg/m\^2) inclusive * Part 1 (Healthy Participants): Participant must be healthy on the basis of physical examination, medical history, vital signs and 12-lead ECG performed at screening * Part 2 (Asthma Participants): Participant must have a body weight in the range of 50 to 125 kg inclusive and have a BMI of 19 to 32 kg/m\^2 inclusive * Part 2 (Asthma Participants): Participant must have a physician documented diagnosis of asthma for at least 12 months before screening * Part 2 (Atopic Dermatitis Participants): Participant must have a body weight in the range of 50 to 100 kg inclusive and have a BMI of 19 to 30 kg/m\^2 inclusive * Part 2 (Atopic Dermatitis Participants): Participant has physician documented diagnosis of atopic dermatitis for at least 12 months before screening based on UK refinements of the Rajka and Hanifin criteria Exclusion Criteria: * Part 1 (Healthy Participants): Participant has any known malignancy or history of malignancy, with the exception of basal cell carcinoma or squamous cell carcinoma in situ of the skin that has been treated with no evidence of recurrence within 6 months prior to the Screening Visit * Part 1 (Healthy Participants): Participant currently has or has a history of any clinically significant cardiovascular disease, including but not limited to a history of angina or myocardial infarction, congestive heart failure, symptomatic atherosclerotic vascular disease, or arrhythmia. * Part 2 (Asthma Participants): Participant has any known malignancy or history of malignancy, with the exception of basal cell carcinoma or squamous cell carcinoma in situ of the skin that has been treated with no evidence of recurrence within 6 months prior to the Screening Visit * Part 2 (Asthma Participants): Participant has or have had a serious infection (eg, sepsis, pneumonia or pyelonephritis), or have been hospitalized or received IV antibiotics for a serious infection during the 4 months prior to the Screening Visit * Part 2 (Atopic Dermatitis Participants): Participant has any known malignancy or history of malignancy, with the exception of basal cell carcinoma or squamous cell carcinoma in situ of the skin that has been treated with no evidence of recurrence within 6 months prior to the Screening Visit. * Part 2 (Atopic Dermatitis Participants): Participant has or have had a serious infection (eg, sepsis, pneumonia or pyelonephritis), or have been hospitalized or received IV antibiotics for a serious infection during the 4 months prior to the Screening Visit