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Biographies

Find another Doctor or Researcher

High Res

Xinhua Lin, PhD

Associate Professor, UC Department of Pediatrics

Phone: 513-636-2144

Fax: 513-636-4317

Email: xinhua.lin@cchmc.org

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Specialties

Dr. Xinhua Lin's research is directed toward understanding the mechanisms governing the regulation of cell-cell signaling by extracellular molecules that play essential roles in coordinating cell growth and differentiation. He is focusing particularly on the role of heparan sulfate proteoglycans (HSPGs) in cell-cell signaling and working toward the identification of molecules that modulate the function of two key signaling molecules, Wnt/Wingless (Wg), Hedgehog (Hh).

Biography

Xinhua Lin, PhD, completed his doctoral work at the Washington University with Thomas. F. Deuel, where he studied the transcriptional regulation of Platelet-derived growth factor A-chain gene. He then went to the Dr. Norbert Perrimon lab at Harvard Medical School, where he initiated his work on the role of heparan sulfate proteoglycan in cell-cell signaling in Drosophila.

Dr. Lin has identified and characterized two mutations, sugarless and sulfateless, which occur in the genes that encode essential enzymes for the biosynthesis of heparin/heparin sulfate glycosaminoglycan (HSPG). Analyses of these mutants led to the demonstration that HSPGs play critical roles in the signaling activities of several growth factors including Wg, Hh and FGF. Dr. Lin further demonstrated that glypican members of HSPG play key roles in Wg signaling and the formation of Wg morphogen gradient. He became an assistant professor in April, 2000, at the Children's Hospital Medical Center of Cincinnati. His lab is interested in elucidating the molecular mechanisms of cell-cell signaling, focusing on the role of HSPG in signaling and the morphogen gradient formation of the Wg and Hh proteins.

Education and Training

PhD: Washington University, St. Louis, MO, 1995.

MS: Shanghai Institute of Cell Biology, Academia Sinica, P.R. China, 1987.

BS: Hangchou University, Hangchou, P.R. China, 1984.

Fellowship: Postdoctoral Research Fellow, Howard Hughes Medical Institute/Harvard Medical School, Cambridge, MA, 1995-2000.

Publications

View PubMed Publications

You J, Belenkaya T, Lin X. Sulfated is a negative feedback regulator of wingless in Drosophila.Dev Dyn. 2011 Feb 8. doi: 10.1002/dvdy.22562.

Deng J, Deng L, Su S, Zhang M, Lin X, Wei L, Minai AA, Hassett DJ, Lu LJ. Investigating the predictability of essential genes across distantly related organisms using an integrative approach. Nucleic Acids Res. 2011 Feb 1;39(3):795-807.

Yan D, Wu Y, Yang Y, Belenkaya TY, Tang X, Lin X. The cell-surface proteins Dally-like and Ihog differentially regulate Hedgehog signaling strength and range during development. Development. 2010 Jun;137(12):2033-44.

Yan D, Lin X. Shaping morphogen gradients by proteoglycans. Cold Spring Harb Perspect Biol. 2009 Sep;1(3):a002493. Review.

Yan D, Wu Y, Feng Y, Lin SC, Lin X. The core protein of glypican Dally-like determines its biphasic activity in wingless morphogen signaling. Dev Cell. 2009 Oct;17(4):470-81.

Lin X, Pittman J, Clarke B. Information Conversion, Effective Samples, and Parameter Size. IEEE Trans Inf Theory. 2007 Dec;53(12):4438-4456.

Chen Y, Guo JJ, Healy DP, Lin X, Patel NC. Risk of hepatotoxicity associated with the use of telithromycin: a signal detection using data mining algorithms. Ann Pharmacother. 2008 Dec;42(12):1791-6.

He F, Wen Y, Deng J, Lin X, Lu LJ, Jiao R, Ma J. Probing intrinsic properties of a robust morphogen gradient in Drosophila. Dev Cell. 2008 Oct;15(4):558-67.

Yan D, Lin X. Opposing roles for glypicans in Hedgehog signalling. Nat Cell Biol. 2008 Jul;10(7):761-3.

Belenkaya TY, Wu Y, Tang X, Zhou B, Cheng L, Sharma YV, Yan D, Selva EM, Lin X. The retromer complex influences Wnt secretion by recycling wntless from endosomes to the trans-Golgi network. Dev Cell. 2008 Jan;14(1):120-31.