Synopsis
Introduction
Methods
Results
Discussion
Introduction
Patient and methods
Patient, disease activity and tissue samples
Immunohistochemistry
Histopathological score of inflammatory infiltration
cDNA synthesis and polymerase chain reaction amplification
DNA extraction and amplification of IgVH genes by nestedpolymerase chain reaction
Sequence analysis
Results
Local disease activity and duration of local disease
Histopathology and immunohistochemistry of synovial tissue
Comparison of the mutated VH segments with the germline genes
Presence of pseudogenes
Deletions and mixed molecules
Local overall R/S ratios increase with disease duration
Heterogenity among the CDR3s
Comparison of the sequences from the same VH family amplified fromeach location
VH1 family
VH4 family
Local disease activity | ∑ R/∑ S | |||||||
---|---|---|---|---|---|---|---|---|
Disease duration | Inflammation | Pattern | Presence | |||||
Location | (weeks) | Swelling | Tenderness | Score | of infiltration | of FDCs | CDR | FR |
Right peroneal tendon | 20 | (+++) | (+++) | 5 | Follicular | (+) | 7.50 | 1.48 |
Left peroneal tendon | 8 | (+++) | (+++) | 5 | Follicular | (+) | 3.65 | 1.70 |
Right cubita | 2 | (+++) | (+++) | 2 | Diffuse | (-) | 3.00 | 1.39 |
Location | Clone | VH family | Germline | Homology (%) |
---|---|---|---|---|
Left peroneal tendon | ||||
K194/1# | 1 |
IgHV1-18
*
01
| 79.4 | |
K194/3 | 1 |
IgHV1-69
*
01
| 73.6 | |
K194/4 | 1 |
IgHV1-3
*
01
| 96.6 | |
K194/5 | 1 |
IgHV1-69
*
01
| 66.9 | |
K194/6 | 1 |
IgHV1-18
*
01
| 88.2 | |
K194/8 | 2 |
IgHV2-70
*
11
| 98.1 | |
K194/9
| 2 |
IgHV2-70
*
01
| 92.0 | |
K194/23
| 4 |
IgHV4-30-1/4-31
*
02
| 100.0 | |
K194/24 | 3 |
IgHV3-53
*
02
| 95.1 | |
K194/25
| 4 |
IgHV4-59
*
01
| 91.0 | |
K194/26
| 4 |
IgHV4-30-4
*
06
| 89.0 | |
K194/27 | 5 |
IgHV5-51
*
01
| 96.1 | |
K194/28 | 5 |
IgHV5-51
*
01
| 85.0 | |
K194/30## | 5 |
IgHV5-51
*
01
| P | |
K194/31 | 5 |
IgHV5-51
*
01
| 93.8 | |
K194/33 | 5 |
IgHV5-51
*
01
| P | |
K194/42 | 5 |
IgHV5-51
*
01
| 98.0 | |
K194/81
| 2 |
IgHV2-70
*
01
| P | |
Cubita | ||||
K194/57## | 1 |
IgHV1-18
*
01
//
IgHV1-46
*
01
| ND | |
K194/58 | 1 |
IgHV1-46
*
01
| 66.5 | |
K194/62 | 1 |
IgHV1-18
*
01
| 91.6 | |
K194/67## | 1 |
IgHV1-18
*
01
//
IgHV1-2
*
02
| ND | |
K194/72 | 1 |
IgHV1-69
*
01
| 95.3 | |
K194/76 | 1 |
IgHV1-18
*
01
| 97.9 | |
K194/77 | 1 |
IgHV1-8
*
01
| 94.5 | |
K194/79 | 1 |
IgHV1-18
*
01
| 75.7 | |
K194/82 | 1 |
IgHV1-46
*
01
| 80.3 | |
K194/88 | 1 |
IgHV1-2
*
02
| 91.2 | |
K194/89 | 1 |
IgHV1-3
*
01
| 86.0 | |
K194/92 | 1 |
IgHV1-8
*
01
| 88.7 | |
K194/95 | 1 |
IgHV1-69
*
01
| 76.9 | |
K194/98 | 1 |
IgHV1-8
*
01
| 96.2 | |
K194/99
##
| 2 |
IgHV2-70
*
01
| 92.0 | |
K194/100
| 4 |
IgHV4-30-1/4-31
*
02
| 97.0 | |
K194/101
| 4 |
IgHV4-30-1/4-31
*
02
| 97.0 | |
K194/102
| 4 |
IgHV4-30-1/4-31
*
02
| 97.0 | |
K194/103
| 4 |
IgHV4-30-1/4-31
*
02
| 98.0 | |
K194/104
| 6 |
IgHV6-1
*
01
| 88.0 | |
Right peroneal tendon | ||||
K194/109## | 1 |
IgHV1-8
*
01//IgHV1-18
*
01
| ND | |
K194/111# | 1 |
IgHV1-18
*
01
| 77.0 | |
K194/114 | 1 |
IgHV1-18
*
01
| 79.0 | |
K194/117
| 1 |
IgHV1-18
*
01
| 93.0 | |
K194/118 | 1 |
IgHV1-18
*
01
| 88.0 | |
K194/119
##
| 1 |
IgHV1-18
*
01
| 96.0 | |
K194/120
| 1 |
IgHV1-18
*
01
| P | |
K194/121
| 2 |
IgHV2-70
*
01
| 97.0 | |
K194/122 | 5 |
IgHV5-51
*
01
| 94.0 | |
K194/123 | 5 |
IgHV5-51
*
01
| 87.0 | |
K194/124
| 5 |
IgHV5-51
*
03
| 92.0 | |
K194/125
| 5 |
IgHV5-51
*
03
| 98.0 | |
K194/126
##
| 5 |
IgHV5-51
*
01
| P | |
K194/127
| 5 |
IgHV5-51
*
01
| 94.0 | |
K194/130 | 5 |
IgHV5-51
*
01
| P | |
K194/135 | 5 |
IgHV5-51
*
01
| P | |
K194/136 | 5 |
IgHV5-51
*
01
| 98.0 |