Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2

Bin Zhang, Beth McGee, Jennifer S. Yamaoka, Hugo Guglielmone, Katharine A. Downes, Salvador Minoldo, Gustavo Jarchum, Flora Peyvandi, Norma B. De Bosch, Arlette Ruiz-Saez, Bernard Chatelain, Marian Olpinski, Paula Bockenstedt, Wolfgang Sperl, Randal J. Kaufman, William C. Nichols, Edward G D Tuddenham, David Ginsburg

Research output: Contribution to journalArticle

78 Citations (Scopus)

Abstract

Mutations in LMAN1 (ERGIC-53) or MCFD2 cause combined deficiency of factor V and factor VIII (F5F8D). LMAN1 and MCFD2 form a protein complex that functions as a cargo receptor ferrying FV and FVIII from the endoplasmic reticulum to the Golgi. In this study, we analyzed 10 previously reported and 10 new F5F8D families. Mutations in the LMAN1 or MCFD2 genes accounted for 15 of these families, including 3 alleles resulting in no LMAN1 mRNA accumulation. Combined with our previous reports, we have identified LMAN1 or MCFD2 mutations as the causes of F5F8D in 71 of 76 families. Among the 5 families in which no mutations were identified, 3 were due to misdiagnosis, with the remaining 2 likely carrying LMAN1 or MCFD2 mutations that were missed by direct sequencing. Our results suggest that mutations in LMAN1 and MCFD2 may account for all cases of F5F8D. Immunoprecipitation and Western blot analysis detected a low level of LMAN1-MCFD2 complex in lymphoblasts derived from patients with missense mutations in LMAN1 (C475R) or MCFD2 (I136T), suggesting that complete loss of the complex may not be required for clinically significant reduction in FV and FVIII.

Original languageEnglish
Pages (from-to)1903-1907
Number of pages5
JournalBlood
Volume107
Issue number5
DOIs
Publication statusPublished - Mar 1 2006

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Factor V
Factor VIII
Genes
Messenger RNA
Mutation
Proteins
Missense Mutation
Diagnostic Errors
Immunoprecipitation
Endoplasmic Reticulum
Familial Multiple Coagulation Factor Deficiency I
Western Blotting
Alleles

ASJC Scopus subject areas

  • Hematology

Cite this

Zhang, B., McGee, B., Yamaoka, J. S., Guglielmone, H., Downes, K. A., Minoldo, S., ... Ginsburg, D. (2006). Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2. Blood, 107(5), 1903-1907. https://doi.org/10.1182/blood-2005-09-3620

Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2. / Zhang, Bin; McGee, Beth; Yamaoka, Jennifer S.; Guglielmone, Hugo; Downes, Katharine A.; Minoldo, Salvador; Jarchum, Gustavo; Peyvandi, Flora; De Bosch, Norma B.; Ruiz-Saez, Arlette; Chatelain, Bernard; Olpinski, Marian; Bockenstedt, Paula; Sperl, Wolfgang; Kaufman, Randal J.; Nichols, William C.; Tuddenham, Edward G D; Ginsburg, David.

In: Blood, Vol. 107, No. 5, 01.03.2006, p. 1903-1907.

Research output: Contribution to journalArticle

Zhang, B, McGee, B, Yamaoka, JS, Guglielmone, H, Downes, KA, Minoldo, S, Jarchum, G, Peyvandi, F, De Bosch, NB, Ruiz-Saez, A, Chatelain, B, Olpinski, M, Bockenstedt, P, Sperl, W, Kaufman, RJ, Nichols, WC, Tuddenham, EGD & Ginsburg, D 2006, 'Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2', Blood, vol. 107, no. 5, pp. 1903-1907. https://doi.org/10.1182/blood-2005-09-3620
Zhang B, McGee B, Yamaoka JS, Guglielmone H, Downes KA, Minoldo S et al. Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2. Blood. 2006 Mar 1;107(5):1903-1907. https://doi.org/10.1182/blood-2005-09-3620
Zhang, Bin ; McGee, Beth ; Yamaoka, Jennifer S. ; Guglielmone, Hugo ; Downes, Katharine A. ; Minoldo, Salvador ; Jarchum, Gustavo ; Peyvandi, Flora ; De Bosch, Norma B. ; Ruiz-Saez, Arlette ; Chatelain, Bernard ; Olpinski, Marian ; Bockenstedt, Paula ; Sperl, Wolfgang ; Kaufman, Randal J. ; Nichols, William C. ; Tuddenham, Edward G D ; Ginsburg, David. / Combined deficiency of factor V and factor VIII is due to mutations in either LMAN1 or MCFD2. In: Blood. 2006 ; Vol. 107, No. 5. pp. 1903-1907.
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AU - Downes, Katharine A.

AU - Minoldo, Salvador

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