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TLS Online TPP Program

#Id: 9096

IP3 triggers the opening of IP3-gated Ca2+ channels in the ER and elevation of cytosolic free Ca2+.


#XL - T Zoology #G Protein–Coupled Receptors #Part B Pointers
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TLS Online TPP Program

#Id: 7909

#XL - Q Biochemistry

Membrane contact sites (MCSs)
Mitochondria establish MCSs with many other organelles, including ER, lysosomes, peroxisomes, the plasma membrane, the Golgi, endosomes, and even lipid droplets.
TLS Online TPP Program

#Id: 7908

#XL - Q Biochemistry

In healthy mitochondria, PINK1 resides in the mitochondrial matrix.

In damaged or dysfunctional mitochondria, PINK1 resides on the outer mitochondrial membrane, where it recruits cytosolic Parkin.
TLS Online TPP Program

#Id: 7907

#XL - Q Biochemistry

Parkinson’s disease is caused by mutations in two gene encoding proteins that can mediate mitophagy:

PINK1 (a kinase)

Parkin (E3 ubiquitin ligase)
TLS Online TPP Program

#Id: 7906

#XL - Q Biochemistry

When the environment of a cell has inadequate oxygen, enzymatic modification of proteins on the outer mitochondrial membrane induces mitophagy.
TLS Online TPP Program

#Id: 7905

#XL - Q Biochemistry

Mitophagy provides Mitochondrial Quality Control
TLS Online TPP Program

#Id: 7904

#XL - Q Biochemistry