{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nIFT70B is a protein that functions as a component of the intraflagellar transport (IFT) complex B, which is essential for the anterograde movement of molecular cargo along the microtubule-based axoneme during cilia assembly and maintenance. In this context, proper IFT is critical for ensuring the formation and function of primary cilia—cellular organelles that play pivotal roles in transducing key developmental signals, thereby influencing cell differentiation and tissue patterning."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n\nAlthough the abstract referenced (PMID 31306809) primarily addresses the genetic heterogeneity of syndactyly type II by focusing on variants in HOXD13 and alterations in FBLN1, its investigation into the etiological mechanisms of limb malformations indirectly underscores the developmental importance of ciliary functions. Given that IFT70B is integral to maintaining ciliary integrity, disruptions in its function could hypothetically contribute to aberrant developmental signaling pathways that underlie conditions such as synpolydactyly."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n\nFuture research may explore whether defects in IFT70B-mediated transport influence the manifestation of limb patterning abnormalities. By elucidating links between ciliary transport dysfunction and clinical phenotypes, scientists can gain deeper insights into the incomplete penetrance and variable expressivity noted in syndactyly type II, further broadening our understanding of the molecular underpinnings of congenital malformations."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "\n"}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Ye Du, Fangfang Chen, Jian Zhang, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A rare TTC30B variant is identified as a candidate for synpolydactyly in a Chinese pedigree."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Bone (2019)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1016/j.bone.2019.07.012"}], "href": "https://doi.org/10.1016/j.bone.2019.07.012"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "31306809"}], "href": "https://pubmed.ncbi.nlm.nih.gov/31306809"}]}]}]}