دورية أكاديمية
أعرض في EDS

Low-conductivity calcium channels in the macrophage plasma membrane: activation by inositol-1,4,5-triphosphate.

التفاصيل البيبلوغرافية
العنوان: Low-conductivity calcium channels in the macrophage plasma membrane: activation by inositol-1,4,5-triphosphate.
المؤلفون: Semenova SB; Institute of Cytology, Russian Academy of Sciences, St. Petersburg., Kiselev KI, Mozhaeva GN
المصدر: Neuroscience and behavioral physiology [Neurosci Behav Physiol] 1999 May-Jun; Vol. 29 (3), pp. 339-45.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Springer Country of Publication: United States NLM ID: 0330471 Publication Model: Print Cited Medium: Print ISSN: 0097-0549 (Print) Linking ISSN: 00970549 NLM ISO Abbreviation: Neurosci Behav Physiol Subsets: MEDLINE
أسماء مطبوعة: Publication: <2005- > : New York : Springer
Original Publication: Washington, Scripta Pub. Corp.
مواضيع طبية MeSH: Calcium Channel Agonists/*pharmacology , Calcium Channels/*metabolism , Inositol 1,4,5-Trisphosphate/*pharmacology , Macrophages/*metabolism, Animals ; Barium/metabolism ; Calcium Channels/drug effects ; Cell Membrane/drug effects ; Cell Membrane/metabolism ; Enzyme Inhibitors/pharmacology ; In Vitro Techniques ; Macrophages/drug effects ; Macrophages/ultrastructure ; Male ; Mice ; Mice, Inbred BALB C ; Quinacrine/pharmacology
مستخلص: Local voltage clamping was applied to mouse macrophage plasma membrane to study calcium channels activated by inositol-1,4,5-triphosphate (IP3) and blocked by heparin. These channels were clearly distinguished from IP3-activated channels of the endoplasmic reticulum by their low conductivity (about 1 pSm for 100 mM Ca2+), high selectivity for Ca2+ relative to K+ (P(Ca):P(K) > 1000), calcium inactivation, and activation on hyperpolarization; these properties allowed them to be assigned to the I(CRAC) family. On the other hand, the properties of the IP3 receptors of these channels (IP3R), i.e., the dose-dependent effect of IP3, the IP3 desensitization of the receptor, and the sensitivity to micromolar concentrations of heparin and arachidonic acid were close to those of the endoplasmic reticulum IP3 receptor. The most likely interpretation of these data is that IP3R are not located in the endoplasmic reticulum, but, acting via some kind of conformational change occurring on binding of IP3, transmit a signal from the endoplasmic reticulum to the highly selective Ca2+ channels. This point of view is in agreement with the published "coupling model" [1].
References: FEBS Lett. 1990 Dec 17;277(1-2):233-4. (PMID: 2176617)
J Cell Biol. 1991 Jan;112(1):125-34. (PMID: 1702442)
Cell Calcium. 1995 Nov;18(5):353-63. (PMID: 8581964)
Cell Calcium. 1990 Nov-Dec;11(10):611-24. (PMID: 1965707)
Biophys J. 1994 Jul;67(1):177-82. (PMID: 7918985)
Biochem J. 1995 Nov 15;312 ( Pt 1):1-11. (PMID: 7492298)
Am J Physiol. 1994 Oct;267(4 Pt 1):C920-5. (PMID: 7943286)
J Physiol (Paris). 1979;75(5):463-505. (PMID: 533865)
Endocr Rev. 1993 Oct;14(5):610-31. (PMID: 8262009)
Proc Natl Acad Sci U S A. 1993 Jul 1;90(13):6295-9. (PMID: 8392195)
Nature. 1987 Mar 19-25;326(6110):301-4. (PMID: 2434867)
Nature. 1989 Jun 8;339(6224):468-70. (PMID: 2542801)
Nature. 1994 Aug 11;370(6489):474-7. (PMID: 8047168)
J Immunol. 1994 Jun 1;152(11):5226-40. (PMID: 8189045)
Proc Natl Acad Sci U S A. 1992 Apr 1;89(7):2849-53. (PMID: 1313570)
Biochem J. 1996 Nov 1;319 ( Pt 3):913-8. (PMID: 8920999)
J Physiol. 1993 Apr;463:729-46. (PMID: 8246203)
FEBS Lett. 1997 May 5;407(3):309-12. (PMID: 9175874)
J Physiol. 1993 Jun;465:359-86. (PMID: 8229840)
Science. 1992 Aug 7;257(5071):815-8. (PMID: 1323146)
Am J Physiol. 1995 Sep;269(3 Pt 1):C733-8. (PMID: 7573404)
المشرفين على المادة: 0 (Calcium Channel Agonists)
0 (Calcium Channels)
0 (Enzyme Inhibitors)
24GP945V5T (Barium)
85166-31-0 (Inositol 1,4,5-Trisphosphate)
H0C805XYDE (Quinacrine)
تواريخ الأحداث: Date Created: 19990924 Date Completed: 19991019 Latest Revision: 20190831
رمز التحديث: 20231215
DOI: 10.1007/BF02465347
PMID: 10493548
قاعدة البيانات: MEDLINE
الوصف
تدمد:0097-0549
DOI:10.1007/BF02465347