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Lian J, Walker RG, D'Amico A, Vujic A, Mills MJ, Messemer KA, Mendello KR, Goldstein JM, Leacock KA, Epp S, Stimpfl EV, Thompson TB, Wagers AJ, Lee RT. Functional substitutions of amino acids that differ between GDF11 and GDF8 impact skeletal development and skeletal muscle. Life Sci Alliance 2023; 6:e202201662. [PMID: 36631218 PMCID: PMC9834663 DOI: 10.26508/lsa.202201662] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 01/13/2023] Open
Abstract
Growth differentiation factor 11 (GDF11) and GDF8 (MSTN) are closely related TGF-β family proteins that interact with nearly identical signaling receptors and antagonists. However, GDF11 appears to activate SMAD2/3 more potently than GDF8 in vitro and in vivo. The ligands possess divergent structural properties, whereby substituting unique GDF11 amino acids into GDF8 enhanced the activity of the resulting chimeric GDF8. We investigated potentially distinct endogenous activities of GDF11 and GDF8 in vivo by genetically modifying their mature signaling domains. Full recoding of GDF8 to that of GDF11 yielded mice lacking GDF8, with GDF11 levels ∼50-fold higher than normal, and exhibiting modestly decreased muscle mass, with no apparent negative impacts on health or survival. Substitution of two specific amino acids in the fingertip region of GDF11 with the corresponding GDF8 residues resulted in prenatal axial skeletal transformations, consistent with Gdf11-deficient mice, without apparent perturbation of skeletal or cardiac muscle development or homeostasis. These experiments uncover distinctive features between the GDF11 and GDF8 mature domains in vivo and identify a specific requirement for GDF11 in early-stage skeletal development.
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Affiliation(s)
- John Lian
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Ryan G Walker
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Andrea D'Amico
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Ana Vujic
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Melanie J Mills
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Kathleen A Messemer
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Kourtney R Mendello
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Jill M Goldstein
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Krystynne A Leacock
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Soraya Epp
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Emma V Stimpfl
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
| | - Thomas B Thompson
- Department of Molecular Genetics, Biochemistry and Microbiology, University of Cincinnati, Cincinnati, OH, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
- Joslin Diabetes Center, Boston, MA, USA
- Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA, USA
| | - Richard T Lee
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA
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Tabebordbar M, Lagerborg KA, Stanton A, King EM, Ye S, Tellez L, Krunnfusz A, Tavakoli S, Widrick JJ, Messemer KA, Troiano EC, Moghadaszadeh B, Peacker BL, Leacock KA, Horwitz N, Beggs AH, Wagers AJ, Sabeti PC. Directed evolution of a family of AAV capsid variants enabling potent muscle-directed gene delivery across species. Cell 2021; 184:4919-4938.e22. [PMID: 34506722 PMCID: PMC9344975 DOI: 10.1016/j.cell.2021.08.028] [Citation(s) in RCA: 153] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 05/21/2021] [Accepted: 08/20/2021] [Indexed: 02/06/2023]
Abstract
Replacing or editing disease-causing mutations holds great promise for treating many human diseases. Yet, delivering therapeutic genetic modifiers to specific cells in vivo has been challenging, particularly in large, anatomically distributed tissues such as skeletal muscle. Here, we establish an in vivo strategy to evolve and stringently select capsid variants of adeno-associated viruses (AAVs) that enable potent delivery to desired tissues. Using this method, we identify a class of RGD motif-containing capsids that transduces muscle with superior efficiency and selectivity after intravenous injection in mice and non-human primates. We demonstrate substantially enhanced potency and therapeutic efficacy of these engineered vectors compared to naturally occurring AAV capsids in two mouse models of genetic muscle disease. The top capsid variants from our selection approach show conserved potency for delivery across a variety of inbred mouse strains, and in cynomolgus macaques and human primary myotubes, with transduction dependent on target cell expressed integrin heterodimers.
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MESH Headings
- Amino Acid Sequence
- Animals
- Capsid/chemistry
- Capsid/metabolism
- Cells, Cultured
- Dependovirus/metabolism
- Directed Molecular Evolution
- Disease Models, Animal
- Gene Transfer Techniques
- HEK293 Cells
- Humans
- Integrins/metabolism
- Macaca fascicularis
- Mice, Inbred BALB C
- Mice, Inbred C57BL
- Muscle Fibers, Skeletal/metabolism
- Muscle, Skeletal/metabolism
- Muscular Dystrophy, Duchenne/pathology
- Muscular Dystrophy, Duchenne/therapy
- Myopathies, Structural, Congenital/pathology
- Myopathies, Structural, Congenital/therapy
- Protein Multimerization
- Protein Tyrosine Phosphatases, Non-Receptor/genetics
- Protein Tyrosine Phosphatases, Non-Receptor/metabolism
- Protein Tyrosine Phosphatases, Non-Receptor/therapeutic use
- Recombination, Genetic/genetics
- Species Specificity
- Transgenes
- Mice
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Affiliation(s)
| | - Kim A Lagerborg
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Program in Biological and Biomedical Sciences, Harvard Medical School, Boston, MA 02115, USA
| | - Alexandra Stanton
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Program in Virology, Harvard Medical School, Boston, MA 02115, USA
| | - Emily M King
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Simon Ye
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard-MIT Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Liana Tellez
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | | | - Sahar Tavakoli
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Stem Cell Program and Division of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Jeffrey J Widrick
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Kathleen A Messemer
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Emily C Troiano
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Behzad Moghadaszadeh
- Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bryan L Peacker
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Krystynne A Leacock
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA
| | - Naftali Horwitz
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Section on Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215, USA
| | - Alan H Beggs
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Amy J Wagers
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA; Paul F. Glenn Center for the Biology of Aging, Harvard Medical School, Boston, MA 02115, USA; Section on Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215, USA.
| | - Pardis C Sabeti
- Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Organismic and Evolutionary Biology, FAS Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA; Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
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Guo Y, Redmond CJ, Leacock KA, Brovkina MV, Ji S, Jaskula-Ranga V, Coulombe PA. Keratin 14-dependent disulfides regulate epidermal homeostasis and barrier function via 14-3-3σ and YAP1. eLife 2020; 9:53165. [PMID: 32369015 PMCID: PMC7250575 DOI: 10.7554/elife.53165] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 05/04/2020] [Indexed: 12/17/2022] Open
Abstract
The intermediate filament protein keratin 14 (K14) provides vital structural support in basal keratinocytes of epidermis. Recent studies evidenced a role for K14-dependent disulfide bonding in the organization and dynamics of keratin IFs in skin keratinocytes. Here we report that knock-in mice harboring a cysteine-to-alanine substitution at Krt14's codon 373 (C373A) exhibit alterations in disulfide-bonded K14 species and a barrier defect secondary to enhanced proliferation, faster transit time and altered differentiation in epidermis. A proteomics screen identified 14-3-3 as K14 interacting proteins. Follow-up studies showed that YAP1, a transcriptional effector of Hippo signaling regulated by 14-3-3sigma in skin keratinocytes, shows aberrant subcellular partitioning and function in differentiating Krt14 C373A keratinocytes. Residue C373 in K14, which is conserved in a subset of keratins, is revealed as a novel regulator of keratin organization and YAP function in early differentiating keratinocytes, with an impact on cell mechanics, homeostasis and barrier function in epidermis.
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Affiliation(s)
- Yajuan Guo
- Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, United States.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, United States
| | - Catherine J Redmond
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, United States
| | - Krystynne A Leacock
- Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, United States
| | - Margarita V Brovkina
- Graduate Program in Cellular and Molecular Biology, University of Michigan Medical School, Ann Arbor, United States
| | - Suyun Ji
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, United States
| | - Vinod Jaskula-Ranga
- Department of Ophthalmology, Johns Hopkins School of Medicine, Baltimore, United States
| | - Pierre A Coulombe
- Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, United States.,Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, United States.,Department of Dermatology, University of Michigan Medical School, Ann Arbor, United States.,Rogel Cancer Center, Michigan Medicine, University of Michigan, Ann Arbor, United States
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