Investigation into mesenchymal stem cell therapy knife-less fusion of vertebrae in the United States began in 2006 and a DiscGenics nucleus pulposus progenitor cell transplantation clinical trial has started as of 2018 in the United States and Japan.Researchers and surgeons have conducted clinical and basic science studies to uncover the regenerative capacity possessed by the large animal species involved (humans and quadrupeds) for potential therapies to treat the disease. Some therapies, carried out by research laboratories in New York, include introduction of biologically engineered, injectable riboflavin cross-linked high density collagen (HDC-laden) gels into disease spinal segments to induce regeneration, ultimately restoring functionality and structure to the two main inner and outer components of vertebral discs—anulus fibrosus and the nucleus pulposus. Other animals
Degenerative disc disease can occur in other mammals besides humans. It is a common problem in several dog breeds, and attempts to remove this disease from dog populations have led to several hybrid breeds, such as the Chiweenie. See also
Failed back syndrome
Herniated disk

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Acromicric dysplasia is an extremely rare inherited disorder characterized by abnormally short hands and feet, growth retardation and delayed bone maturation leading to short stature. Most cases have occurred randomly for no apparent reason (sporadically). However, autosomal dominant inheritance has not been ruled out. The disorder is different (but similar to) from other syndromic entities such as geleophysic dysplasia, Weill-Marchesani syndrome, and Myhre syndrome. Genetics
This condition has been associated with mutations in the Fibrillin 1 (FBN1) gene.Mutations in this gene have also been associated with stiff skin syndrome, Marfan syndrome and its variant Marfanoid–progeroid–lipodystrophy syndrome, autosomal dominant Weill-Marchesani syndrome, isolated ectopia lentis, MASS phenotype, and Shprintzen-Goldberg syndrome. References
External links
GeneReview/NIH/UW entry on Geleophysic Dysplasia