User profiles for J Mears

Jason Mears

Case Western Reserve University
Verified email at case.edu
Cited by 3606

Dnm1 forms spirals that are structurally tailored to fit mitochondria

E Ingerman, EM Perkins, M Marino, JA Mears… - The Journal of cell …, 2005 - rupress.org
Dynamin-related proteins (DRPs) are large self-assembling GTPases whose common
function is to regulate membrane dynamics in a variety of cellular processes. Dnm1, which is a …

Evidence for the multicentric origin of the sickle cell hemoglobin gene in Africa.

J Pagnier, JG Mears… - Proceedings of the …, 1984 - National Acad Sciences
Previous studies of the Hpa I cleavage site-sickle cell hemoglobin gene linkage in various
African populations suggested that the sickle gene arose independently more than once. In …

Conformational changes in Dnm1 support a contractile mechanism for mitochondrial fission

JA Mears, LL Lackner, S Fang, E Ingerman… - Nature structural & …, 2011 - nature.com
Mitochondria are dynamic organelles that undergo cycles of fission and fusion. The yeast
dynamin-related protein Dnm1 has been localized to sites of mitochondrial division. Using cryo-…

[HTML][HTML] GAP43-dependent mitochondria transfer from astrocytes enhances glioblastoma tumorigenicity

…, J Meiser, AJ Scott, P Sajjakulnukit, JA Mears… - Nature cancer, 2023 - nature.com
The transfer of intact mitochondria between heterogeneous cell types has been confirmed
in various settings, including cancer. However, the functional implications of mitochondria …

Mitochondrial dysfunction in primary ovarian insufficiency

D Tiosano, JA Mears, DA Buchner - Endocrinology, 2019 - academic.oup.com
Primary ovarian insufficiency (POI) is defined by the loss or dysfunction of ovarian follicles
associated with amenorrhea before the age of 40. Symptoms include hot flashes, sleep …

[HTML][HTML] A pseudoatomic model of the dynamin polymer identifies a hydrolysis-dependent powerstroke

JS Chappie, JA Mears, S Fang, M Leonard, SL Schmid… - Cell, 2011 - cell.com
The GTPase dynamin catalyzes membrane fission by forming a collar around the necks of
clathrin-coated pits, but the specific structural interactions and conformational changes that …

Structural insights into oligomerization and mitochondrial remodelling of dynamin 1‐like protein

…, D Schwefel, K Faelber, E Rosenbaum, J Mears… - The EMBO …, 2013 - embopress.org
Dynamin 1‐like protein (DNM1L) mediates fission of mitochondria and peroxisomes, and
dysfunction of DNM1L has been implicated in several neurological disorders. To study the …

[HTML][HTML] Deconstruction of rheumatoid arthritis synovium defines inflammatory subtypes

…, KE Marks, I Mantel, JB Kang, L Rumker, J Mears… - Nature, 2023 - nature.com
Rheumatoid arthritis is a prototypical autoimmune disease that causes joint inflammation
and destruction 1 . There is currently no cure for rheumatoid arthritis, and the effectiveness of …

Lipid-regulated sterol transfer between closely apposed membranes by oxysterol-binding protein homologues

TA Schulz, MG Choi, S Raychaudhuri, JA Mears… - Journal of cell …, 2009 - rupress.org
Sterols are transferred between cellular membranes by vesicular and poorly understood
nonvesicular pathways. Oxysterol-binding protein–related proteins (ORPs) have been …

[HTML][HTML] IFN-γ and TNF-α drive a CXCL10+ CCL2+ macrophage phenotype expanded in severe COVID-19 lungs and inflammatory diseases with tissue inflammation

F Zhang, JR Mears, L Shakib, JI Beynor, S Shanaj… - Genome Medicine, 2021 - Springer
Background Immunosuppressive and anti-cytokine treatment may have a protective effect
for patients with COVID-19. Understanding the immune cell states shared between COVID-19 …