New “Hogs” in Hedgehog Transport and Signal Reception

نویسندگان

  • Christopher W. Wilson
  • Pao-Tien Chuang
چکیده

A recent paper in Cell (Yao et al., 2006) and two papers in Developmental Cell (Tenzen et al., 2006; Zhang et al., 2006) identify a new receptor component for Hedgehog, a key morphogen in embryonic development. Many other proteins that bind to Hedgehog in the extracellular matrix or on the cell surface have been identified. In light of these recent discoveries, we discuss how these factors control the stability, transport, reception, and availability of Hedgehog in modulating Hedgehog-mediated responses.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Gli 1 protein expression in different types of basal cell carcinoma

Background and aim: Basal cell carcinoma (BCC) is the most common cancer in humans. Activation of Hedgehog (Hh) signal has a key role in development of BCC. The end result of Hedgehog signal are Gli proteing. Gli 1 is a member of this family which activates DNA transcription. Previous studies showed increased expression of Gli 1 in BCC.Materials and methods: In this study 38 pathologic samples ...

متن کامل

Wnts and Hedgehogs: lipid-modified proteins and similarities in signaling mechanisms at the cell surface.

This review compares the signaling mechanisms of the Wnt and the Hedgehog proteins. Although Wnts and Hedgehogs are unrelated proteins, they are both modified by lipids, possibly through the action of enzymes that are related to each other. At the surface of target cells, the reception of Wnt and Hedgehog signals is regulated by several molecules, some of which, in particular the Frizzled and S...

متن کامل

Signals transmitted along retinal axons in Drosophila: Hedgehog signal reception and the cell circuitry of lamina cartridge assembly.

The arrival of retinal axons in the brain of Drosophila triggers the assembly of glial and neuronal precursors into a 'neurocrystalline' array of lamina synaptic 'cartridges'. Hedgehog, a secreted protein, is an inductive signal delivered by retinal axons for the initial steps of lamina differentiation. In the development of many tissues, Hedgehog acts in a signal relay cascade via the inductio...

متن کامل

Cytoneme-mediated cell-cell contacts for Hedgehog reception

Morphogens regulate tissue patterning through their distribution in concentration gradients. Emerging research establishes a role for specialized signalling filopodia, or cytonemes, in morphogen dispersion and signalling. Previously we demonstrated that Hedgehog (Hh) morphogen is transported via vesicles along cytonemes emanating from signal-producing cells to form a gradient in Drosophila epit...

متن کامل

Spatial and Temporal Regulation of Hair Follicle Progenitors by Hedgehog Signalling

Epithelial organs such as the vertebrate hair undergo programmed self-renewal in part by controlling the growth of progenitor cells. The hedgehog signaling pathway regulates progenitor growth in a variety of tissues. This chapter discusses evidence for how the skin regulates the production of Shh ligand, the reception of the Shh signal, and maintenance of the signal to promote hair morphogenesi...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • Cell

دوره 125  شماره 

صفحات  -

تاریخ انتشار 2006