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4 results on '"Hebert, Maddie"'

1. Gene copy-number variation and associated polymorphisms of complement component C4 in human systemic lupus erythematosus (SLE): Low copy number is a risk factor for and high copy number is a protective factor against SLE susceptibility in European Americans

Author

Yan Yang, Chung, Erwin K., Yee Ling Wu, Roubey, Robert A.S., Grossman, Jennifer M., Tsao, Betty P., Birmingham, Daniel J., Rovin, Brad H., Hebert, Lee A., C. Yung Yu, Savelli, Stephanie L., Higgins, Gloria C., Rennebohm, Robert M., Rice, Robert R., Hackshaw, Kevin V., Nagaraja, Haikady N., Bi Zhou, Hebert, Maddie, Jones, Karla N., Yaoling Shu, Kitzmiller, Kathryn, Blanchong, Carol A., and McBride, Kim L.

Subjects
Systemic lupus erythematosus -- Genetic aspects, Systemic lupus erythematosus -- Research, Genetic polymorphisms -- Research, European Americans -- Genetic aspects, Biological sciences
Abstract

The C4 gene copy-number variation (CNV) was investigated in 1241 European Americans, including patients with systemic lupus erythematosus (SLE), their first degree relatives by defining genotyping and phenotyping techniques. The results show that gene copy number of gene CNV provides data for an important immune defense protein in health and disease suggesting that low copy number is a risk factor for and high copy number is a protective factor against susceptibility to human SLE.

Published
2007

2. Gene Copy-Number Variation and Associated Polymorphisms of Complement Component C4 in Human Systemic Lupus Erythematosus (SLE): Low Copy Number Is a Risk Factor for and High Copy Number Is a Protective Factor against SLE Susceptibility in European Americans

Author

Yang, Yan, Chung, Erwin K., Wu, Yee Ling, Savelli, Stephanie L., Nagaraja, Haikady N., Zhou, Bi, Hebert, Maddie, Jones, Karla N., Shu, Yaoling, Kitzmiller, Kathryn, Blanchong, Carol A., McBride, Kim L., Higgins, Gloria C., Rennebohm, Robert M., Rice, Robert R., Hackshaw, Kevin V., Roubey, Robert A.S., Grossman, Jennifer M., Tsao, Betty P., Birmingham, Daniel J., Rovin, Brad H., Hebert, Lee A., and Yung Yu, C.

Published
2007
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4. Gene Copy-Number Variation and Associated Polymorphisms of Complement Component C4 in Human Systemic Lupus Erythematosus (SLE): Low Copy Number Is a Risk Factor for and High Copy Number Is a Protective Factor against SLE Susceptibility in European Americans

Author

Birmingham, Daniel J., Grossman, Jennifer M., Shu, Yaoling, Hebert, Lee A., McBride, Kim L., Wu, Yee Ling, Savelli, Stephanie L., Hebert, Maddie, Higgins, Gloria C., Blanchong, Carol A., Jones, Karla N., Yung Yu, C., Rennebohm, Robert M., Chung, Erwin K., Tsao, Betty P., Kitzmiller, Kathryn, Nagaraja, Haikady N., Roubey, Robert A.S., Rovin, Brad H., Hackshaw, Kevin V., Rice, Robert R., Yang, Yan, and Zhou, Bi

Subjects
3. Good health
Abstract

Interindividual gene copy-number variation (CNV) of complement component C4 and its associated polymorphisms in gene size (long and short) and protein isotypes (C4A and C4B) probably lead to different susceptibilities to autoimmune disease. We investigated the C4 gene CNV in 1,241 European Americans, including patients with systemic lupus erythematosus (SLE), their first-degree relatives, and unrelated healthy subjects, by definitive genotyping and phenotyping techniques. The gene copy number (GCN) varied from 2 to 6 for total C4, from 0 to 5 for C4A, and from 0 to 4 for C4B. Four copies of total C4, two copies of C4A, and two copies of C4B were the most common GCN counts, but each constituted only between one-half and three-quarters of the study populations. Long C4 genes were strongly correlated with C4A (R=0.695; P

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