The Role of Unfolded Protein Response in Human Intervertebral Disc Degeneration: Perk and IRE1-α as Two Potential Therapeutic Targets

Table 1

Details of samples and patients.

Case no.	Diagnosis	Disc level	Pfirrmann’s grade	Gender	Age
1	Disc herniation	L4-5	II	M	33
2	Disc herniation	L4-5	IV	M	52
3	Disc herniation	L4-5	V	F	34
4	Disc herniation	L4-5, L5-S1	V	M	22
5	Vertebral fracture	L3-4	II	F	43
6	Disc herniation	L4-5	IV	M	17
7	Lumbar stenosis	L3-4	IV	M	50
8	Disc herniation	L4-5	II	M	28
9	Scoliosis	L1-2	I	F	21