User profiles for Sevan Hopyan
Sevan HopyanThe Hospital for Sick Children Verified email at sickkids.ca Cited by 3387 |
[HTML][HTML] Development and testing of a multidimensional iPhone pain assessment application for adolescents with cancer
Background: Pain is one of the most common and distressing symptoms reported by adolescents
with cancer. Despite advancements in pain assessment and management research, …
with cancer. Despite advancements in pain assessment and management research, …
A mutant PTH/PTHrP type I receptor in enchondromatosis
S Hopyan, N Gokgoz, R Poon, RC Gensure, C Yu… - Nature …, 2002 - nature.com
Enchondromas are common benign cartilage tumors of bone. They can occur as solitary
lesions or as multiple lesions in enchondromatosis (Ollier and Maffucci diseases). Clinical …
lesions or as multiple lesions in enchondromatosis (Ollier and Maffucci diseases). Clinical …
In Situ Mechanical Characterization of the Cell Nucleus by Atomic Force Microscopy
The study of nuclear mechanical properties can provide insights into nuclear dynamics and
its role in cellular mechanotransduction. While several methods have been developed to …
its role in cellular mechanotransduction. While several methods have been developed to …
Constitutive hedgehog signaling in chondrosarcoma up-regulates tumor cell proliferation
TD Tiet, S Hopyan, P Nadesan, N Gokgoz… - The American journal of …, 2006 - Elsevier
Chondrosarcoma is a malignant cartilage tumor that may arise from benign precursor lesions,
such as enchondromas. Some cases of multiple enchondromas are caused by a mutation …
such as enchondromas. Some cases of multiple enchondromas are caused by a mutation …
Clinical outcome of children and adults with localized Ewing sarcoma: impact of chemotherapy dose and timing of local therapy
AA Gupta, A Pappo, N Saunders, S Hopyan… - Cancer, 2010 - Wiley Online Library
BACKGROUND: As Ewing sarcoma (EWS) can affect children and adults, these patients
can be treated at either a pediatric or an adult institution. This study investigated whether …
can be treated at either a pediatric or an adult institution. This study investigated whether …
Intracellular manipulation and measurement with multipole magnetic tweezers
The capability to directly interrogate intracellular structures inside a single cell for measurement
and manipulation is important for understanding subcellular and suborganelle activities, …
and manipulation is important for understanding subcellular and suborganelle activities, …
Oriented cell motility and division underlie early limb bud morphogenesis
The vertebrate limb bud arises from lateral plate mesoderm and its overlying ectoderm.
Despite progress regarding the genetic requirements for limb development, morphogenetic …
Despite progress regarding the genetic requirements for limb development, morphogenetic …
Anisotropic stress orients remodelling of mammalian limb bud ectoderm
The physical forces that drive morphogenesis are not well characterized in vivo, especially
among vertebrates. In the early limb bud, dorsal and ventral ectoderm converge to form the …
among vertebrates. In the early limb bud, dorsal and ventral ectoderm converge to form the …
[PDF][PDF] Formation of proximal and anterior limb skeleton requires early function of Irx3 and Irx5 and is negatively regulated by Shh signaling
…, R Mo, V Puviindran, S Deimling, X Zhang, S Hopyan… - Developmental cell, 2014 - cell.com
Limb skeletal pattern relies heavily on graded Sonic hedgehog (Shh) signaling. As a morphogen
and growth cue, Shh regulates identities of posterior limb elements, including the ulna/…
and growth cue, Shh regulates identities of posterior limb elements, including the ulna/…
Construct validity and reliability of a real-time multidimensional smartphone app to assess pain in children and adolescents with cancer
We evaluated the construct validity (including responsiveness), reliability, and feasibility of
the Pain Squad multidimensional smartphone-based pain assessment application (app) in …
the Pain Squad multidimensional smartphone-based pain assessment application (app) in …