ChromosOmics - Database




                                                 2038 cases included                                                  
  COUNTER
 

How to cite this database:
-
Liehr T. 2025. Constitutional Human Ring Chromosomes.
https://cs-tl.de/DB/CA/CR/0-Start.html [accessed on ...]



Visitors

in 2025:

last update: 20. April 2025

[VG-Wort ()]

Created by Dr. Thomas Liehr (PhD)
professional affiliation: Institute of Human Genetics, 07740 Jena, Germany;
e-mail: Thomas.Liehr@med.uni-jena.de or: LiehrT@web.de


            

AIM OF THIS PAGE Number of characterized RCs by chromosome How to use this page

Thoughts about RCs
  BREAKPOINTS BY CHROMOSOME
chr. 1
 chr. 2
 		chr. 3
 chr. 4
 chr. 5
 		chr. 6
 		chr. 7
 		chr. 8
chr. 9
 		chr. 10
 		chr. 11
 		chr. 12
 		chr. 13
 		chr. 14
 		chr. 15
 		chr. 16
chr. 17
 		chr. 18
 chr. 19
 chr. 20
 		chr. 21
 		chr. 22
 		X-chr.
Y-chr.
DISCLAIMER
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References
Aim of this page

Collect all cases of constitutional human ring chromosomes in infertile and mentally retarded.
Thoughts about RCs

Thoughts on formation mechanisms of ring chromosomes see Refs {1, 144}.

RCs and tumor predisposition see Ref {591}.

Work of international consortium for human ring chromosomes see {1882}.

Rng chromosome as research tool for chromosome therapy see {1883-1887}.
How to use this page?

This page is organized like the 'sister-page' on small supernumerary marker chromosomes (sSMC)
- the structure is explained here.

 Also take care that the nomenclature here may not always be done exactly acc. to ISCN !!
Number of ring chromosomes included in this page 

chr. cases
1 9
2 19
3 17
4
 69
5
 24
6
 46
7
 25
8
 11
9
 45
10 21
11 18
12 15
13 168
14 166
15 152
16 9
17 31
18 256
19 10
20 353
21 146
22 349
X 59
Y 20
SUMMARY 2038


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