1233. Shupnik, M.A. , Gordon, M.S., and Chin, WW 1989. Tissue-specific regulation of rat estrogen receptor mRNAs. Mol Endocrinol 
3:660-665. 
1234. Shupnik, M.A. , Weinmann, CM., Notides, A.C., and Chin, WW 1989. An upstream region of the rat luteinizing hormone p gene 
binds estrogen receptor and confers estrogen responsiveness./ B?o/ Chem 264:80-86. 
1235. Sifers, R.N., Hardick, CP , and Woo, S.L.C. 1989. Disruption of the 290-342 salt bridge is not responsible for the secretory de- 
fect of the PiZ ttj-antitrypsin variant. J Biol Chem 264:2997-3001. 
1236. Silen, J.L. , Frank, D., Fujishige, A., Bone, R. , and Agard, D.A. 1988. Analysis of prepro-a-lytic protease expression in Escherichia 
coli reveals that the pro region is required for activity. J Bacterial 171:1320-1325. 
1237. Simerly, R.B. , Young, B.J. , Capozza, M.A., and Sv^anson, L.W 1989- Estrogen differentially regulates neuropeptide gene expres- 
sion in a sexually dimorphic olfactory pathway. Proc Natl Acad Sci USA 86:4766-4770. 
1238. Simkowitz, P, Ellis, L. , and Pfenninger, K.H. 1989. Membrane proteins of the nerve growth cone and their developmental regu- 
lation./ A^ewrosa 9:1004-1017. 
1239. Simon, S.M., Blobel, G., and Zimmerberg, J. 1989. Large aqueous channels in membrane vesicles derived from the rough endo- 
plasmic reticulum of canine pancreas or the plasma membrane oi Escherichia coli. Proc Natl Acad Sci USA 86:6176-6180. 
1240. Singer, H.S., Valle, P. , Hayasaka, K., and Tada, K. 1989. Nonketotic hyperglycinemia: studies in an atypical variant. Neurology 
39:286-288. 
1241. Singh, H. , Clerc, R.G., and LeBowitz, J. 1989. Molecular cloning of sequence-specific DNA binding proteins using recognition 
site probes. BioTechniques 7:252-261. 
1242. Sinnis, P , and Wellems, T.E. 1988. Long-range restriction maps of Plasmodium falciparum chromosomes: crossingover and 
size variation among geographically distinct isolates. Genomics 3:287-295. 
1243. Sissom, J. , and Ellis, L. 1989. Secretion of the extracellular domain of the human insulin receptor from insect cells by use of a 
baculovirus vector. Biochem /26l:119-126. 
1244. Sivitz, WL, DeSautel, S.L., Kayano, T. , Bell, G.I. , and Pessin, J.E. 1989. Regulation of glucose transporter messenger RNA in insu- 
lin-deficient states. Nature 340:72-74. 
1245. Skare, J.C., Grierson, H.L., Sullivan, J.L., Nussbaum, R.L ., Purtilo, D.T., Sylla, B., Lenoir, G., ReUly, D.S., White, B.N., and 
Milunsky, A. 1989. Linkage analysis of seven kindreds with the X-linked lymphoproliferative syndrome (XLP) confirms that the 
XLP locus is near DXS42 and DXS37. Hum Genet 82:354-358. 
1246. Slivka, S.R., Meier, K.E. , and Insel, PA. 1988. aj-Adrenergic receptors promote phosphatidylcholine hydrolysis in MDCK-Dl 
cells: a mechanism for rapid activation of protein kinase C. J Biol Chem 263:12242-12246. 
1247. SmaU, S.A., Kandel, E.R. , and Hawkins, R.D. 1989. Activity-dependent enhancement of presynaptic inhibition in Aplysia sensory 
neurons. Science 243:1603-1606. 
1248. Smith, C.WJ. , Gallego, M.E., Andreadis, A. , Breitbart, R., Knaack, P. , and Nadal-Ginard, B. 1988. Alternative splicing of contrac- 
tile protein minigene constructs is directed by cis and trans mechanisms. UCLA Symp Mol Cell Biol 67:265-277. 
1249. Smith, C.WJ., Gallego, M.E., Andreadis, A. , Gooding, C , and Nadal-Ginard, B. 1989. Investigations of the mechanism of mutu- 
ally exclusive splicing in the a-tropomyosin, troponin T and myosin light chain 1/3 genes. UCLA Symp Mol Cell Biol 93:573-584. 
1250. Smith, C.WJ. , and Nadal-Ginard, B. 1989. Mutually exclusive splicing of a-tropomyosin exons enforced by an unusual lariat 
branch point location: implications for constitutive splicing. Cell 56:749-758. 
1251. Smith, S.J. 1988. Neuronal cytomechanics: the actin-based motility of growth cones. Science 242:708-715. 
1252. Smith, S.J. , and Augustine, GJ. 1988. Calcium ions, active zones and synaptic transmitter release. Trends Neurosci 11:458-464. 
1253. Snead, M.L., Luo, W, Oliver, R, Nakamura, M., Pon-Wheeler, G., Bessem, C, Bell, G.I. , Rail, L.B., and Slavkin, H.C. 1989. Local- 
ization of epidermal growth factor precursor in tooth and lung during embryonic mouse development. Dev Biol 134:420-429- 
1254. Snyder, L.C., Trusko, S.P , Freeman, N., Eshleman, J.R., Fakharzadeh, S.S., and George, P L. 1988. A gene amplified in a trans- 
formed mouse cell line undergoes complex transcriptional processing and encodes a nuclear protein. J Biol Chem 263:17150- 
17158. 
1255. Solowska, J., Guan, J.-L., Marcantonio, E.E., Trevithick, J.E., Buck, C.A., and Hynes, R.O. 1989. Expression of normal and mutant 
avian integrin subunits in rodent cells. / Cell Biol 109:853-861. 
1256. Sommercorn, J. , and Krebs, E.G. 1988. Classification of protein kinases into messenger-dependent and independent kinases. 
The regulation of independent kinases. Adv Exp Med Biol 231:403-415. 
1257. Soriano, P, Gridley, T, and Jaenisch, R. 1988. Retroviral tagging in mouse development and genetics. In Mobile DNA (Howe, 
M.M., and Berg, P.E., Eds.). Washington, PC: American Society for Microbiology pp 927-937. 
1258. Spence, J.E., Maddelena, A., O'Brien, WE. , Fernbach, S.P., Batshaw, M.L., Leonard, CO., and Beaudet, A.L. 1989. Prenatal diag- 
nosis and heterozygote detection by PNA analysis in ornithine transcarbamylase deficiency. J Pediatr 114:582-588. 
1259. Spiegel, A., Carter, A., Brann, M., Collins, R., Goldsmith, R, Simonds, W, Vinitsky, R., Eide, B. , Rossiter, K., Weinstein, L., and 
Woodard, C. 1988. Signal transduction by guanine nucleotide-binding proteins. Recent Prog Horm Res 44:337-375. 
1260. Spiegelman, B.M., Lowell, B., Napolitano, A., Pubuc, P, Barton, P., Francke, U. , Groves, P.L., Cook, K.S., and Flier, J. S. 1989. 
Adrenal glucocorticoids regulate adipsin gene expression in genetically obese mice. J Biol Chem 264:1811-1815. 
1261. Spindel, E.R. , Krane, I.M., Sunday, M.E., Naylor, S.L., and Chin, WW 1988. Bombesin-like peptide gene expression in gastro- 
Continued 
675 
