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Procainamide (Antiarrhythmic) Action Pathway

Homo sapiens

Drug Action Pathway

Created: 2013-08-22

Last Updated: 2019-09-12

This pathway illustrates the procainamide targets involved in antiarrhythmic therapy. Contractile activity of cardiac myocytes is elicited via action potentials mediated by a number of ion channel proteins. During rest, or diastole, cells maintain a negative membrane potential; i.e. the inside the cell is negatively charged relative to the cells’ extracellular environment. Membrane ion pumps, such as the sodium-potassium ATPase and sodium-calcium exchanger (NCX), maintain low intracellular sodium (5 mM) and calcium (100 nM) concentrations and high intracellular potassium (140 mM) concentrations. Conversely, extracellular concentrations of sodium (140 mM) and calcium (1.8 mM) are relatively high and extracellular potassium concentrations are low (5 mM). At rest, the cardiac cell membrane is impermeable to sodium and calcium ions, but is permeable to potassium ions via inward rectifier potassium channels (I-K1), which allow an outward flow of potassium ions down their concentration gradient. The positive outflow of potassium ions aids in maintaining the negative intracellular electric potential. When cells reach a critical threshold potential, voltage-gated sodium channels (I-Na) open and the rapid influx of positive sodium ions into the cell occurs as the ions travel down their electrochemical gradient. This is known as the rapid depolarization or upstroke phase of the cardiac action potential. Sodium channels then close and rapidly activated potassium channels such as the voltage-gated transient outward delayed rectifying potassium channel (I-Kto) and the voltage-gated ultra rapid delayed rectifying potassium channel (I-Kur) open. These events make up the early repolarization phase during which potassium ions flow out of the cell and sodium ions are continually pumped out. During the next phase, known as the plateau phase, calcium L-type channels (I-CaL) open and the resulting influx of calcium ions roughly balances the outward flow of potassium channels. During the final repolarization phase, the voltage-gated rapid (I-Kr) and slow (I-Ks) delayed rectifying potassium channels open increasing the outflow of potassium ions and repolarizing the cell. The extra sodium and calcium ions that entered the cell during the action potential are extruded via sodium-potassium ATPases and NCX and intra- and extracellular ion concentrations are restored. In specialized pacemaker cells, gradual depolarization to threshold occurs via funny channels (I-f). Procainamide, an analogue of the local anesthetic procaine, is a Class 1A antiarrhythmic drug. It has similar effects to quinidine, but lacks the antimuscarinic and antiadrenergic effects of quinidine. Like other Class 1A drugs, procainamide blocks open sodium channels leading to an increased threshold of excitability. Voltage-gated sodium channels (I-Na) are responsible for the rapid depolarization seen during cardiac contractile cell action potentials. I-Na block results in delayed excitability of the cells. Procainamide also prolongs action potential duration, likely by slowing the final repolarization phase via potassium channel blocking. This drug may be administered intravenously to treat supraventricular and ventricular arrhythmias. It is better tolerated intravenously than quinidine. Oral administration is poorly tolerated long term.

Procainamide (Antiarrhythmic) Pathway References

Dhein, S. Antiarrhythmic drugs. In S. Offermanns, & W. Rosenthal (Eds.). Encyclopedic reference of molecular pharmacology. (2004) p.49-51. Berlin, Germany: Springer.

Nattel S, Carlsson L: Innovative approaches to anti-arrhythmic drug therapy. Nat Rev Drug Discov. 2006 Dec;5(12):1034-49. doi: 10.1038/nrd2112.

Pubmed: 17139288

Andelfinger G, Tapper AR, Welch RC, Vanoye CG, George AL Jr, Benson DW: KCNJ2 mutation results in Andersen syndrome with sex-specific cardiac and skeletal muscle phenotypes. Am J Hum Genet. 2002 Sep;71(3):663-8. doi: 10.1086/342360. Epub 2002 Jul 29.

Pubmed: 12148092

Tristani-Firouzi M, Jensen JL, Donaldson MR, Sansone V, Meola G, Hahn A, Bendahhou S, Kwiecinski H, Fidzianska A, Plaster N, Fu YH, Ptacek LJ, Tawil R: Functional and clinical characterization of KCNJ2 mutations associated with LQT7 (Andersen syndrome). J Clin Invest. 2002 Aug;110(3):381-8. doi: 10.1172/JCI15183.

Pubmed: 12163457

Priori SG, Pandit SV, Rivolta I, Berenfeld O, Ronchetti E, Dhamoon A, Napolitano C, Anumonwo J, di Barletta MR, Gudapakkam S, Bosi G, Stramba-Badiale M, Jalife J: A novel form of short QT syndrome (SQT3) is caused by a mutation in the KCNJ2 gene. Circ Res. 2005 Apr 15;96(7):800-7. doi: 10.1161/01.RES.0000162101.76263.8c. Epub 2005 Mar 10.

Pubmed: 15761194

Perier F, Radeke CM, Vandenberg CA: Primary structure and characterization of a small-conductance inwardly rectifying potassium channel from human hippocampus. Proc Natl Acad Sci U S A. 1994 Jun 21;91(13):6240-4. doi: 10.1073/pnas.91.13.6240.

Pubmed: 8016146

Tang W, Yang XC: Cloning a novel human brain inward rectifier potassium channel and its functional expression in Xenopus oocytes. FEBS Lett. 1994 Jul 18;348(3):239-43. doi: 10.1016/0014-5793(94)00612-1.

Pubmed: 8034048

Makhina EN, Kelly AJ, Lopatin AN, Mercer RW, Nichols CG: Cloning and expression of a novel human brain inward rectifier potassium channel. J Biol Chem. 1994 Aug 12;269(32):20468-74.

Pubmed: 8051145

Soldatov NM: Molecular diversity of L-type Ca2+ channel transcripts in human fibroblasts. Proc Natl Acad Sci U S A. 1992 May 15;89(10):4628-32. doi: 10.1073/pnas.89.10.4628.

Pubmed: 1316612

Schultz D, Mikala G, Yatani A, Engle DB, Iles DE, Segers B, Sinke RJ, Weghuis DO, Klockner U, Wakamori M, et al.: Cloning, chromosomal localization, and functional expression of the alpha 1 subunit of the L-type voltage-dependent calcium channel from normal human heart. Proc Natl Acad Sci U S A. 1993 Jul 1;90(13):6228-32. doi: 10.1073/pnas.90.13.6228.

Pubmed: 8392192

Soldatov NM: Genomic structure of human L-type Ca2+ channel. Genomics. 1994 Jul 1;22(1):77-87. doi: 10.1006/geno.1994.1347.

Pubmed: 7959794

Klugbauer N, Lacinova L, Marais E, Hobom M, Hofmann F: Molecular diversity of the calcium channel alpha2delta subunit. J Neurosci. 1999 Jan 15;19(2):684-91.

Pubmed: 9880589

Gao B, Sekido Y, Maximov A, Saad M, Forgacs E, Latif F, Wei MH, Lerman M, Lee JH, Perez-Reyes E, Bezprozvanny I, Minna JD: Functional properties of a new voltage-dependent calcium channel alpha(2)delta auxiliary subunit gene (CACNA2D2). J Biol Chem. 2000 Apr 21;275(16):12237-42. doi: 10.1074/jbc.275.16.12237.

Pubmed: 10766861

Hobom M, Dai S, Marais E, Lacinova L, Hofmann F, Klugbauer N: Neuronal distribution and functional characterization of the calcium channel alpha2delta-2 subunit. Eur J Neurosci. 2000 Apr;12(4):1217-26. doi: 10.1046/j.1460-9568.2000.01009.x.

Pubmed: 10762351

Powers PA, Liu S, Hogan K, Gregg RG: Skeletal muscle and brain isoforms of a beta-subunit of human voltage-dependent calcium channels are encoded by a single gene. J Biol Chem. 1992 Nov 15;267(32):22967-72.

Pubmed: 1385409

Williams ME, Feldman DH, McCue AF, Brenner R, Velicelebi G, Ellis SB, Harpold MM: Structure and functional expression of alpha 1, alpha 2, and beta subunits of a novel human neuronal calcium channel subtype. Neuron. 1992 Jan;8(1):71-84. doi: 10.1016/0896-6273(92)90109-q.

Pubmed: 1309651

Collin T, Wang JJ, Nargeot J, Schwartz A: Molecular cloning of three isoforms of the L-type voltage-dependent calcium channel beta subunit from normal human heart. Circ Res. 1993 Jun;72(6):1337-44. doi: 10.1161/01.res.72.6.1337.

Pubmed: 7916667

Ou Y, Gibbons SJ, Miller SM, Strege PR, Rich A, Distad MA, Ackerman MJ, Rae JL, Szurszewski JH, Farrugia G: SCN5A is expressed in human jejunal circular smooth muscle cells. Neurogastroenterol Motil. 2002 Oct;14(5):477-86.

Pubmed: 12358675

Ye B, Valdivia CR, Ackerman MJ, Makielski JC: A common human SCN5A polymorphism modifies expression of an arrhythmia causing mutation. Physiol Genomics. 2003 Feb 6;12(3):187-93. doi: 10.1152/physiolgenomics.00117.2002.

Pubmed: 12454206

Wang J, Ou SW, Wang YJ, Kameyama M, Kameyama A, Zong ZH: Analysis of four novel variants of Nav1.5/SCN5A cloned from the brain. Neurosci Res. 2009 Aug;64(4):339-47. doi: 10.1016/j.neures.2009.04.003. Epub 2009 Apr 17.

Pubmed: 19376164

Ahn AH, Freener CA, Gussoni E, Yoshida M, Ozawa E, Kunkel LM: The three human syntrophin genes are expressed in diverse tissues, have distinct chromosomal locations, and each bind to dystrophin and its relatives. J Biol Chem. 1996 Feb 2;271(5):2724-30. doi: 10.1074/jbc.271.5.2724.

Pubmed: 8576247

Ort T, Maksimova E, Dirkx R, Kachinsky AM, Berghs S, Froehner SC, Solimena M: The receptor tyrosine phosphatase-like protein ICA512 binds the PDZ domains of beta2-syntrophin and nNOS in pancreatic beta-cells. Eur J Cell Biol. 2000 Sep;79(9):621-30.

Pubmed: 11043403

Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. doi: 10.1101/gr.2596504.

Pubmed: 15489334

Ahn AH, Yoshida M, Anderson MS, Feener CA, Selig S, Hagiwara Y, Ozawa E, Kunkel LM: Cloning of human basic A1, a distinct 59-kDa dystrophin-associated protein encoded on chromosome 8q23-24. Proc Natl Acad Sci U S A. 1994 May 10;91(10):4446-50. doi: 10.1073/pnas.91.10.4446.

Pubmed: 8183929

Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. doi: 10.1038/ng1285. Epub 2003 Dec 21.

Pubmed: 14702039

Castello A, Brocheriou V, Chafey P, Kahn A, Gilgenkrantz H: Characterization of the dystrophin-syntrophin interaction using the two-hybrid system in yeast. FEBS Lett. 1996 Mar 25;383(1-2):124-8. doi: 10.1016/0014-5793(96)00214-1.

Pubmed: 8612778

Hasegawa M, Cuenda A, Spillantini MG, Thomas GM, Buee-Scherrer V, Cohen P, Goedert M: Stress-activated protein kinase-3 interacts with the PDZ domain of alpha1-syntrophin. A mechanism for specific substrate recognition. J Biol Chem. 1999 Apr 30;274(18):12626-31. doi: 10.1074/jbc.274.18.12626.

Pubmed: 10212242

Striated Muscle Contraction References

Cooke R: The sliding filament model: 1972-2004. J Gen Physiol. 2004 Jun;123(6):643-56. doi: 10.1085/jgp.200409089.

Pubmed: 15173218

Szent-Gyorgyi A: The mechanism of muscle contraction. Proc Natl Acad Sci U S A. 1974 Sep;71(9):3343-4.

Pubmed: 4610574

Kuo IY, Ehrlich BE: Signaling in muscle contraction. Cold Spring Harb Perspect Biol. 2015 Feb 2;7(2):a006023. doi: 10.1101/cshperspect.a006023.

Pubmed: 25646377

Andelfinger G, Tapper AR, Welch RC, Vanoye CG, George AL Jr, Benson DW: KCNJ2 mutation results in Andersen syndrome with sex-specific cardiac and skeletal muscle phenotypes. Am J Hum Genet. 2002 Sep;71(3):663-8. doi: 10.1086/342360. Epub 2002 Jul 29.

Pubmed: 12148092

Tristani-Firouzi M, Jensen JL, Donaldson MR, Sansone V, Meola G, Hahn A, Bendahhou S, Kwiecinski H, Fidzianska A, Plaster N, Fu YH, Ptacek LJ, Tawil R: Functional and clinical characterization of KCNJ2 mutations associated with LQT7 (Andersen syndrome). J Clin Invest. 2002 Aug;110(3):381-8. doi: 10.1172/JCI15183.

Pubmed: 12163457

Priori SG, Pandit SV, Rivolta I, Berenfeld O, Ronchetti E, Dhamoon A, Napolitano C, Anumonwo J, di Barletta MR, Gudapakkam S, Bosi G, Stramba-Badiale M, Jalife J: A novel form of short QT syndrome (SQT3) is caused by a mutation in the KCNJ2 gene. Circ Res. 2005 Apr 15;96(7):800-7. doi: 10.1161/01.RES.0000162101.76263.8c. Epub 2005 Mar 10.

Pubmed: 15761194

Perier F, Radeke CM, Vandenberg CA: Primary structure and characterization of a small-conductance inwardly rectifying potassium channel from human hippocampus. Proc Natl Acad Sci U S A. 1994 Jun 21;91(13):6240-4. doi: 10.1073/pnas.91.13.6240.

Pubmed: 8016146

Tang W, Yang XC: Cloning a novel human brain inward rectifier potassium channel and its functional expression in Xenopus oocytes. FEBS Lett. 1994 Jul 18;348(3):239-43. doi: 10.1016/0014-5793(94)00612-1.

Pubmed: 8034048

Makhina EN, Kelly AJ, Lopatin AN, Mercer RW, Nichols CG: Cloning and expression of a novel human brain inward rectifier potassium channel. J Biol Chem. 1994 Aug 12;269(32):20468-74.

Pubmed: 8051145

Soldatov NM: Molecular diversity of L-type Ca2+ channel transcripts in human fibroblasts. Proc Natl Acad Sci U S A. 1992 May 15;89(10):4628-32. doi: 10.1073/pnas.89.10.4628.

Pubmed: 1316612

Schultz D, Mikala G, Yatani A, Engle DB, Iles DE, Segers B, Sinke RJ, Weghuis DO, Klockner U, Wakamori M, et al.: Cloning, chromosomal localization, and functional expression of the alpha 1 subunit of the L-type voltage-dependent calcium channel from normal human heart. Proc Natl Acad Sci U S A. 1993 Jul 1;90(13):6228-32. doi: 10.1073/pnas.90.13.6228.

Pubmed: 8392192

Soldatov NM: Genomic structure of human L-type Ca2+ channel. Genomics. 1994 Jul 1;22(1):77-87. doi: 10.1006/geno.1994.1347.

Pubmed: 7959794

Klugbauer N, Lacinova L, Marais E, Hobom M, Hofmann F: Molecular diversity of the calcium channel alpha2delta subunit. J Neurosci. 1999 Jan 15;19(2):684-91.

Pubmed: 9880589

Gao B, Sekido Y, Maximov A, Saad M, Forgacs E, Latif F, Wei MH, Lerman M, Lee JH, Perez-Reyes E, Bezprozvanny I, Minna JD: Functional properties of a new voltage-dependent calcium channel alpha(2)delta auxiliary subunit gene (CACNA2D2). J Biol Chem. 2000 Apr 21;275(16):12237-42. doi: 10.1074/jbc.275.16.12237.

Pubmed: 10766861

Hobom M, Dai S, Marais E, Lacinova L, Hofmann F, Klugbauer N: Neuronal distribution and functional characterization of the calcium channel alpha2delta-2 subunit. Eur J Neurosci. 2000 Apr;12(4):1217-26. doi: 10.1046/j.1460-9568.2000.01009.x.

Pubmed: 10762351

Powers PA, Liu S, Hogan K, Gregg RG: Skeletal muscle and brain isoforms of a beta-subunit of human voltage-dependent calcium channels are encoded by a single gene. J Biol Chem. 1992 Nov 15;267(32):22967-72.

Pubmed: 1385409

Williams ME, Feldman DH, McCue AF, Brenner R, Velicelebi G, Ellis SB, Harpold MM: Structure and functional expression of alpha 1, alpha 2, and beta subunits of a novel human neuronal calcium channel subtype. Neuron. 1992 Jan;8(1):71-84. doi: 10.1016/0896-6273(92)90109-q.

Pubmed: 1309651

Collin T, Wang JJ, Nargeot J, Schwartz A: Molecular cloning of three isoforms of the L-type voltage-dependent calcium channel beta subunit from normal human heart. Circ Res. 1993 Jun;72(6):1337-44. doi: 10.1161/01.res.72.6.1337.

Pubmed: 7916667

Ou Y, Gibbons SJ, Miller SM, Strege PR, Rich A, Distad MA, Ackerman MJ, Rae JL, Szurszewski JH, Farrugia G: SCN5A is expressed in human jejunal circular smooth muscle cells. Neurogastroenterol Motil. 2002 Oct;14(5):477-86.

Pubmed: 12358675

Ye B, Valdivia CR, Ackerman MJ, Makielski JC: A common human SCN5A polymorphism modifies expression of an arrhythmia causing mutation. Physiol Genomics. 2003 Feb 6;12(3):187-93. doi: 10.1152/physiolgenomics.00117.2002.

Pubmed: 12454206

Wang J, Ou SW, Wang YJ, Kameyama M, Kameyama A, Zong ZH: Analysis of four novel variants of Nav1.5/SCN5A cloned from the brain. Neurosci Res. 2009 Aug;64(4):339-47. doi: 10.1016/j.neures.2009.04.003. Epub 2009 Apr 17.

Pubmed: 19376164

Ahn AH, Freener CA, Gussoni E, Yoshida M, Ozawa E, Kunkel LM: The three human syntrophin genes are expressed in diverse tissues, have distinct chromosomal locations, and each bind to dystrophin and its relatives. J Biol Chem. 1996 Feb 2;271(5):2724-30. doi: 10.1074/jbc.271.5.2724.

Pubmed: 8576247

Ort T, Maksimova E, Dirkx R, Kachinsky AM, Berghs S, Froehner SC, Solimena M: The receptor tyrosine phosphatase-like protein ICA512 binds the PDZ domains of beta2-syntrophin and nNOS in pancreatic beta-cells. Eur J Cell Biol. 2000 Sep;79(9):621-30.

Pubmed: 11043403

Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. doi: 10.1101/gr.2596504.

Pubmed: 15489334

Ahn AH, Yoshida M, Anderson MS, Feener CA, Selig S, Hagiwara Y, Ozawa E, Kunkel LM: Cloning of human basic A1, a distinct 59-kDa dystrophin-associated protein encoded on chromosome 8q23-24. Proc Natl Acad Sci U S A. 1994 May 10;91(10):4446-50. doi: 10.1073/pnas.91.10.4446.

Pubmed: 8183929

Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. doi: 10.1038/ng1285. Epub 2003 Dec 21.

Pubmed: 14702039

Castello A, Brocheriou V, Chafey P, Kahn A, Gilgenkrantz H: Characterization of the dystrophin-syntrophin interaction using the two-hybrid system in yeast. FEBS Lett. 1996 Mar 25;383(1-2):124-8. doi: 10.1016/0014-5793(96)00214-1.

Pubmed: 8612778

Hasegawa M, Cuenda A, Spillantini MG, Thomas GM, Buee-Scherrer V, Cohen P, Goedert M: Stress-activated protein kinase-3 interacts with the PDZ domain of alpha1-syntrophin. A mechanism for specific substrate recognition. J Biol Chem. 1999 Apr 30;274(18):12626-31. doi: 10.1074/jbc.274.18.12626.

Pubmed: 10212242