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Key Documents

C2399

Sigma-Aldrich

Colagenase

0.2 μm filtered, high purity, purified by chromatography, Type VII-S, ≥4 FALGPA units/mg solid, ≥700 CDU/mg solid (CDU = collagen digestion units)

Sinônimo(s):

Clostridiopeptidase A

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About This Item

Número CAS:
Número da licença da enzima:
Número CE:
Número MDL:
Código UNSPSC:
12352204
NACRES:
NA.54

Nível de qualidade

esterilidade

0.2 μm filtered

forma

lyophilized powder

atividade específica

≥4 FALGPA units/mg solid
≥700 CDU/mg solid (CDU = collagen digestion units)

purificado por

chromatography

solubilidade

TESCA buffer (50 mM TES, 0.36 mM Calcium chloride, pH 7.4): soluble 0.05-0.1 mg/mL at 37 °C

temperatura de armazenamento

−20°C

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Aplicação

Collagenase from Clostridium histolyticum has been used:
  • to induce intracerebral hemorrhage (ICH) in mice
  • to digest collagen 3D gels for immunofluorescence
  • to cause focal blood extravasation and hemorrhage in mouse

Collagenase has been used in the preparation of arterial tissue for the study of Advanced Glycosylation End Products (AGE). The enzyme has also been used along with other proteases for the disaggregation of human tumor, mouse kidney, human brain, lung epithelium and many other tissues. It is also effective in liver and kidney perfusion studies, digestion of pancreas, and isolation of nonparenchymal hepatocytes.

Ações bioquímicas/fisiológicas

Clostridium histolyticum contains two classes of collagenases. Clostridial collagenases are more effective than mammalian collagenases. It cleaves at multiple cleavage sites within the collagen triple helix. Clostridial collagenases are involved in bacterial invasion in gas gangrene.
Effective release of cells from tissue requires the action of both collagenase enzymes and the neutral protease. Collagenase is activated by four gram atom calcium (Ca2+) per mole enzyme. The culture filtrate is thought to contain at least 7 different proteases ranging in molecular weight from 68-130 kDa (pH optimum: 6.3-8.8). The enzyme recognizes the sequence -R-Pro-8-X-Gly-Pro-R-, where X is most often a neutral amino acid.
A colagenase é ativada por quatro gramas de átomos de cálcio por mol de enzima. Ela é inibida por ácido etileno glicol-bis(beta-aminoetil éter)-N, N, N′,N′-tetracético, beta-mercaptoetanol, glutationa, ácido tioglicólico e 8-hidroxiquinolina.

Definição da unidade

Uma unidade de digestão de colágeno (CDU) libera peptídeos de colágeno do tendão de Aquiles bovino que equivalem em cor de ninidrina a 1,0 μmol de leucina em 5 horas em pH 7,4 a 37 °C na presença de íons de cálcio. Uma unidade de hidrólise de FALGPA hidrolisa 1,0 μmol de furilacriloil-Leu-Gli-Pro-Ala por min a 25 °C. Uma unidade de protease neutra hidrolisa caseína para produzir cor equivalente a 1,0 μmol de tirosina por 5 h em pH 7,5 a 37 °C. Uma unidade de clostripaína hidrolisa 1,0 μmol de BAEE por min em pH 7,6 a 25 °C na presença de DTT.

Nota de preparo

Prepared from Type VII (C0773). A stock solution may be prepared by dissolving 0.05-0.1 mg of collagenase in one mL of 50 mM TES buffer containing 0.36 mM calcium chloride (TESCA), pH 7.4 at 37 °C.

substrato

Nº do produto
Descrição
Preços

Pictogramas

Health hazardExclamation mark

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Colagenase

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Colagenase

Xiao Lin et al.
BioMed research international, 2018, 3706047-3706047 (2018-11-10)
Intracerebral hemorrhage (ICH) refers to bleeding in the brain and is associated with the release of large amount of inflammasomes, and the activation of different cell death pathways. These cell death pathways lead to removal of inactivated and damaged cells
Manesh Chittezhath et al.
Experimental cell research, 314(19), 3551-3562 (2008-10-07)
The SYT proto-oncoprotein (also known as SS18) is a gene expression regulator conserved across species. Although its biological function is still unknown, the importance of SYT as a housekeeping protein is illustrated by the lethal phenotype of SYT-null embryos. Notably
Expression and cellular localization of cyclooxygenases and prostaglandin E synthases in the hemorrhagic brain
Wu T, et al.
Journal of Neuroinflammation, 8(1), 22-22 (2011)
Nrg1 Intracellular Signaling Is Neuroprotective upon Stroke
Navarro-Gonzalez C, et al.
Oxidative Medicine and Cellular Longevity, 2019 (2019)
Sandrine Bergeron et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 39(6), 1015-1025 (2018-01-16)
Cerebral microbleeds (CMBs) could contribute to cognitive impairment in the general population and in patients with dementia. We designed a study to (i) develop a murine model of CMBs, (ii) assess whether CMBs affect cognition in this model and (iii)

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