PMID- 7896273 OWN - NLM STAT- MEDLINE DCOM- 19950421 LR - 20071114 IS - 0888-7543 (Print) IS - 0888-7543 (Linking) VI - 24 IP - 1 DP - 1994 Nov 1 TI - Direct mapping of seven genes encoding human type 2 cystatins to a single site located at 20p11.2. PG - 172-5 AB - The human type 2 cystatins are encoded by a multigene family of eight to nine members. Five functional genes (CST1-CST5) and two pseudogenes (CSTP1 and CSTP2) have previously been cloned. We have developed a panel of short genomic fragments that serve as gene-specific probes for these seven genes under hybridization conditions used for Southern blots or fluorescence in situ hybridization (FISH). Analysis of BssHII-digested genomic DNA using these probes was consistent with association of all seven genes with a 905-kb fragment, suggesting physical clustering at a single site. The cluster was assigned to chromosome 20 by screening a somatic cell hybrid panel with an STS for CST2. This assignment was confirmed for each gene by FISH using repeat-free gene-specific genomic probes ranging in size from 2.3 to 0.8 kb. All the loci mapped to 20p11.2. FAU - Dickinson, D P AU - Dickinson DP AD - Department of Basic Sciences, University of Texas-Houston Health Science Center 77225. FAU - Zhao, Y AU - Zhao Y FAU - Thiesse, M AU - Thiesse M FAU - Siciliano, M J AU - Siciliano MJ LA - eng GR - CA34936/CA/NCI NIH HHS/United States GR - CA55164/CA/NCI NIH HHS/United States GR - DE08902/DE/NIDCR NIH HHS/United States PT - Journal Article PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Genomics JT - Genomics JID - 8800135 RN - 0 (Cystatins) RN - 0 (DNA Primers) SB - IM GS - CST GS - CSTP1 GS - CSTP2 MH - Animals MH - Base Sequence MH - CHO Cells MH - Chromosome Mapping MH - *Chromosomes, Human, Pair 20 MH - Cricetinae MH - Cystatins/*genetics MH - DNA Primers MH - Humans MH - Hybrid Cells MH - In Situ Hybridization, Fluorescence MH - Molecular Sequence Data EDAT- 1994/11/01 00:00 MHDA- 1994/11/01 00:01 CRDT- 1994/11/01 00:00 PHST- 1994/11/01 00:00 [pubmed] PHST- 1994/11/01 00:01 [medline] PHST- 1994/11/01 00:00 [entrez] AID - S0888-7543(84)71595-3 [pii] AID - 10.1006/geno.1994.1595 [doi] PST - ppublish SO - Genomics. 1994 Nov 1;24(1):172-5. doi: 10.1006/geno.1994.1595.