SHIELD

Tissue Preservation - Highlighted pipeline icon

Exceptional tissue preservation

Published by Park et al. in Nature Biotechnology 2018, our SHIELD reagent (AKA GE38) safeguards endogenous fluorescence, protein antigenicity, nucleic acids, and overall tissue architecture against physical and chemical stressors. The SHIELD tissue preservation method also protects tissue during fluorescent protein imaging and antibody labeling across multiple rounds.

Compatible with:

GFP+ motor cortical neurons in whole mouse brain (left) and tdTomato+ in a mouse spinal cord cell-type (right)
Left: GFP+ motor cortical neurons, sample courtesy of Dr. Byungkook Lim, UCSD. Right: RFP+ spinal cord cells, sample courtesy of Dr. Helen Lai, UT Southwestern. Both imaged with SmartSPIM.

Quick & easy tissue preservation protocol

Our streamlined protocol takes just 4-6 days, without the variability of tissue embedding via hydrogel or paraffin. Reagents are non-toxic and can be easily disposed of after use.

Figure showing SHIELD tissue preservation mechanism

Two SHIELD kit sizes

250 mL: Preserves 25 whole mouse brains or comparably sized samples.

  • 250 mL SH-Epoxy
  • 125 mL SH-Buffer
  • 500 mL SH-ON

500 mL: Preserves 50 whole mouse brains or comparably sized samples.

  • 500 mL SH-Epoxy
  • 250 mL SH-Buffer
  • 1000 mL SH-ON
SHIELD Kit for tissue preservation

Recent publications citing SHIELD

A queen odour mediates reproductive suppression in a eusocial mammal

Mohammed A. Khallaf, Daniel W. Hart, Wenhan Luo, Firdevs Murad, Felipe Cybis Pereira, Daniel Mendez-Aranda, Nicole Hagenah, Alice Rossi, Valérie Bégay, Jan Okrouhlík, Dietmar Krautwurst, Mungo Kisinza Ngalameno, Andre Ganswindt, Alison J. Barker, Radim Šumbera, Markus Knaden, Sophie Pezet, Andrew Woehler, Bill S. Hansson, Nigel C. Bennett & Gary R. Lewin

Journal:
Nature
Publication Date:
Research Area:
Neural Activity
Tissue Type:
Brain
Products Cited:
SHIELD, EasyIndex, SmartClear, SmartLabel, SmartBatch+, Passive Clearing Kit, SmartSPIM, CRO Services
Whole-Brain Biodistribution of AAV2, AAV8, and AAV-B10 After Unilateral Intracerebroventricular Injection

Dezhuang Ye, Abhinav Kayithi, Jinyun Yuan, Isaac Wang, Tianqi Xu, Marc Boisvert, Marie-Eve Paquet, Hong Chen

Journal:
Molecular Therapy Advances
Publication Date:
Research Area:
Biodistribution
Tissue Species:
Mouse
Tissue Type:
Brain
Products Cited:
SHIELD, EasyIndex, SmartClear
A human cardiomyocyte screen identifies optimized lipid nanoparticles for in vivo cardiac gene editing

Yehui Sun, Yu-Chung Pien, Yufen Xiao, Wei Tan, Efrain Sanchez-Ortiz, Mateusz Z. Durbacz, Zexiang Chen, John R. McAnally, Yu Zhang, Hui Li, Andreas C. Chai, Francesco Chemello, Fangyu Zhang, Sang M. Lee, Priyanka Patel, Denise M. Ramirez, Sumanta Chatterjee, Ning Liu, Eric N. Olson, Daniel J. Siegwart

Journal:
PNAS
Publication Date:
Research Area:
Cardiovascular, Biodistribution
Tissue Species:
Mouse
Tissue Type:
Heart
Products Cited:
SHIELD, EasyIndex, Passive Clearing Kit, SmartSPIM

Further reading

Tissue processing in the 21st century

Immunohistochemistry methods are laborious, error-prone, and expensive – intact tissue processing technologies resolve many of these issues.