ABCA3 p.Pro73Leu

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PMID: 25105258 [PubMed] Akimoto T et al: "Hereditary interstitial lung diseases manifesting in early childhood in Japan."
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33 Two other compound heterozygous ABCA3 mutations, i.e., ABCA3 p.Pro73Leu/p.Gly1205Arg and ABCA3 p.Thr761Met/p.Ala1362Val, were detected in two (cases 7 and 8 in Table 3) of the 34 infants without ILD: one full-term infant with p.Pro73Leu/p.Gly1205Arg manifested lung dysfunction immediately after birth, but recovered with transient assisted ventilation only, and another with p.Thr761Met/p.Ala1362Val born at gestational week 27 weighing 778ߙg manifested lung dysfunction at 8 mo after birth and is being treated currently with vasodilators and home oxygen.
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ABCA3 p.Pro73Leu 25105258:33:63
status: NEW
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ABCA3 p.Pro73Leu 25105258:33:228
status: NEW
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64 To our knowledge, 10 other mutations in six cases (cases 2-5, 7, and 8) have not been reported to date, i.e., four SFTPC mutations of heterozygous p.Gln145fs, heterozygous p.Lys63Glu, p.Ser72Asn, and p.Gly100Ala, and six ABCA3 mutations of p.Arg1583Trp, p.Val1495CysfsX21, p.Pro73Leu, p.Gly1205Arg, p.Thr761Met, and p.Ala1362Val.
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ABCA3 p.Pro73Leu 25105258:64:275
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67 Frameshift mutations were detected in case 2 Table 3.ߒ Eight patients in whom genetic variations were found Case BW/GW Onset Diagnosis AV iNO Genotype SIFT/ polyphen-2 Origin of variations Treatment Outcome 1 3,204/40 0 d hPAP Yes No SFTPC c.134T>C: p.Leu45Arg (het) Damaging/ damaging Denovo Surfactant, steroids, and Hch Undergoing treatment, 43 mo 2 2,600/40 6 d hPAP Yes No SFTPC c.433delC: p.Gln145fs (het) Not done Unknownc Surfactant, steroids, and Hch Died, 77 d 3 3,230/40 0 d hPAP Yes Yes ABCA3 c.4747C>T: p.Arg1583Trp, Damaging/ damaging Mother (asymptomatic) Surfactant, steroids, and Hch Died, 7 mo ABCA3 c.4483_4507del25: p.Val1495CysfsX21 Not done Father (asymptomatic) 4 3,060/41 5 mo IPa No No SFTPC c.187A>G: p.Lys63Glu (het) Damaging/ damaging Mother (asymptomatic) and mother`s father (pulmonary fibrosis) Steroids and Hch Undergoing treatment, 54 mo 5 3,520/38 2 wk IP Yes No SFTPC c.215G>A: p.Ser72Asn Damaging/ damaging Unknownc Steroids, CsA, CPM, and AZP Undergoing treatment, 13 y SFTPC c.299G>C: p.Gly100Ala Damaging/ benign 6 3,344/41 3 mo ACD/MPV Yes Yes FOXF1 c.899delT: p.Leu300ArgfsX79 (het) Not done Denovo Steroids, vasodilator Undergoing treatment, 24 mo 7 3,194/40 0 d URD Yes No ABCA3 c.218C>T: p.Pro73Leu Tolerated/ benignb Unknownc None Recovered ABCA3 c.3613G>A: p.Gly1205Arg Tolerated/ benignb 8 778/27 8 mo CLD, PH Yes No ABCA3 c.2282C>T: p.Thr761Met, Damaging/ damaging Mother (asymptomatic) Vasodilator Undergoing treatment, 17 mo ABCA3 c.4085C>T: p.Ala1362Val Tolerated/ benignb Father (asymptomatic) ACD/MPV, alveolar capillary dysplasia with misalignment of pulmonary veins; AV, assisted ventilation; AZP, azathioprine; BW/GW, birth weight/gestational week at delivery; CLD, chronic lung disease; CPM, cyclophosphamide; CsA, cyclosporine A; Hch, hydroxychloroquine; hPAP, hereditary pulmonary alveolar proteinosis; iNO, inhaled nitric oxide; IP, interstitial pneumonitis; PH, pumonary hypertension; URD, unexplained respiratory distress.
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ABCA3 p.Pro73Leu 25105258:67:1240
status: NEW
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