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"Life Sciences International Postgraduate Educational Center would be developed as a regional education and research center serving to promote co-operation between scientists and to facilitate the exchange of information among researchers internationally".
Federico Mayor Ex-Director General of UNESCO |
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| Prof. SINERIK N. AYRAPETYAN |
| Personal information |
| Date of Birth |
May 28, 1941 |
| Place of Birth |
Nagorno-Karabagh Republic |
| Home address |
27 Demirchyan Str., apt. 14, 375001, Yerevan, Armenia |
| Nationality |
Armenian |
| Marital Status |
Married, has a son and a daughter |
| Buisnes address |
UNESCO Chair-Life Sciences International Postgraduate Educational Center (LSIPEC)
31 Acharian St., Yerevan, 375040, Armenia
Tel: 3741 612461, Fax: 3741 624170
E-mail: life@arminco.com, info@biophys.am
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| Citizenship |
Armenian |
| Position Held |
President of LSIPEC |
| Education |
| Degrees |
Dates |
University |
| Master of Sciences |
1960 - 1966 |
Yerevan State University |
| PhD |
1966 - 1969 |
Ukraine Academy of Sciences |
| Doctor of Sciences |
1970 - 1980 |
Ukraine Academy of Sciences |
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| Career/Employment |
| Employers |
Position |
Dates |
| UNESCO Chair Life Sciences International Postgraduate Educational Center |
President |
1997 - up to now |
| Armenian National Academy of Sciences |
Head of the Biophysics Center |
1992 - 1997 |
| Armenian National Academy of Sciences |
Head of the Department of Biophysics |
1989 - 1992 |
| Institute of Experimental Biology, Arm. NAS |
Head of Membranology Laboratory |
1980 - 1989 |
| The Institute of Experimental Biology, Armenian NAS |
Senior researcher |
1973 - 1980 |
| The Department of Physiology of Yerevan State University |
Associate professor |
1971 - 1973 |
| The Institute of Physiology of the Armenian Academy of Sciences |
Researcher |
1969 - 1971 |
| Visiting Researcher |
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| Pharmacology and Physiology, Southampton University |
1996 (3 months) |
| Department of Life Science, Nottingham University, UK |
1995 (3 months) |
| SUNY at Albany, New York |
1989-92 (18 months) |
| National Institute of Physiological Sciences, Okazaki, Japan |
1981 (6 months) |
| Physiological Dept. of King's Collage, London, UK |
1980 (3 months) |
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| Summary of Investigations |
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2008-present - EMF Anti-cancer and carcinogenic Effects of Non-ionizing Radiation.
2007-present - Ageing induced Cell Hydration and Increased Risk of Medical disorder.
2007-present - The correlation between brain cell hydration and pain sensation in males.
Conclusion:Cell over-hydration promote the nociceptive signals generation while dehydration has pain relief and anesthetic effects on mamales.
2007-present - The study Cell Hydration as a marker for as a cellular marker for Environmental Factors.
Conclusion: Cell hydration is a universal and extra sensitive sensor for environmental factors for plants, microbes and mammals.
2001-present - The metabolic mechanism biological effect of EMF (from Extremely Low to Extremely High Frequencies) and IS on different biological objects.
Conclusion: - The ROS is the main messenger through which the Biological effect of EMF and IS on different cells and organisms are realized.
1999-2009 - The Comparative study biological effects EMF and IS on plant seeds germination, microbs growth and developes, heart muscle contractility and animal pain sensation.
Conclusion: - EMF and IS have controversial biological effects on plants, microbes ,unvertabrate and vertebrate animals.
1998-2009 - The study low frequency EMF and infrasound(IS) on physicochemical properties water and water solutions.
Conclusion: - EMF and IS have frequency windows :4 and 8Hz at which they have more pronounced effects on water molecules dissociation, heat fusion, electrical conductivity, gases solubility and l hydrogen peroxide formation.
1994- 2009 – The role of Cell bathing solution in realization biological effect of electromagnetic fields.
Conclusion: EMF-induced changes physicochemical properties and formation ROS serve a main mechanisms through which non thermal biological effects of magnetic and electic finelds on cells and organisms are realized.
1997-2005 – The physiological mining of cGMP/CAMP dependent Na:Ca in excitable cells.
Conclusion: cGMP/CAMP dependent Na:Ca exchanger serve as a universal and extrasensitive membrane sensor i for extreamly low concentrations of biologically active substances, weak physical factors having intensity lovest thermal thresholds.
1994-1997 – The metabolic r mechanism of the effect of NO heart muscle contractility
Conclusion: The NO-induced heart muscle relaxation is due by the activation of cGMP dependent Ca efflux from the cells.
1994-1997 – The correlation between Na+/Ca2+ exchange and intracellular cAMP/cGMP
Conclusion:The intracellular cGMP plays a key role in the activation of Ca efflux through Ca2+/Na+ exchange and Ca pump mechanisms while intracellular cAMP activate Ca influx by Na/Ca
1991-1994 - The physiological significance of Na:Ca exchange. The Na:Ca exchange involved in the metabolic pathway, which amplifies the extraweak signals to the threshold of potential dependent and receptor-bound ionic channels.
1985-1991 - Mechanism of biological effect of electromagnetic field.
Conclusion: - Magnetic field-induced water structure changes modulate membrane excitability, chemosensitivity, Ca influx and intracellular cAMP level effectively.
1984-1991 - The effect of ionizing radiation on neuromembrane function.
Conclusion: - Ca-dependent activation of Lipase A2 activity is the gate of ionizing radiation membrane damage.
1990-1991 - Effect of extralow concentration of transmitters on membrane functional activity.
Conclusion: - Very low concentration of transmitters not inducing electrical responses has modulatory effect on membrane chemosensitivity and excitability.
1989-1990 - Metabolic regulation of N-cholinoreceptor affinity.
Conclusion: - The Na-pump inactivation has depressing effect on N- receptor affinity through its phosphorylation.
1988-1989 - Correlation between Na pump activity and intracellular concentration of cAMP.
Conclusion: - Pump inactivation leads to cAMP production elevation and vice versa.
1986-1988 - Correlation between Na-K pump activity and Na:Ca exchange.
Conclusion: - There is negative correlation between Na-K pump and Na:Ca exchange activity that is realized by intracellular level of cyclic AMP.
1978-1986 - Physiological significance of pump-induced cell volume changes.
Conclusion: - The pump induced cell volume is a powerful mechanism through which metabolic regulation of membrane permeability, excitability, chemosensitivity and pump activity are realized.
1976-1978 - Metabolic regulation of cell volume.
Conclusion: - The electrogenic Na pump is the main mechanism by which metabolism regulates the cell volume.
1969-1976 - Regulation mechanism of rhythmic activity of Helix neurons.
Conclusion: - The oscillation of pacemaker neurons membrane potential is the electrogenic sodium pump dependent process.
1965-1969 - Using standard mycroelectrode and plane photometry technique the electrode properties of the membrane of Helix giant neurons were studied.
Conclusion: - The resting potential of snail neurons consists of two components of different nature: first is purely diffused, and is due to the presence of ionic gradient on the membrane, second is generated by electrogenic sodium pump.
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| Membership |
| Member of : |
International Society of Invertebrate Neurobiology (ISIN)
European Society for Neurochemistry (ESN)
International Brain Research Organization (IBRO)
International Union of Pure and Applied Biophysics (IUPAB)
Bioelectromagnetics Society (BEMS)
Armenian Biophysical Society (ABS)
the Advisory Board and the Editorial Board for the Journal:
“International Dental and Medical Disorders” International Advisory Committee of WHO
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| President of: |
All Armenian Research Council (AARC) |
| Editorial Activity |
1. “Metabolic regulation of membrane function” 1990, (Ed: S.N. Ayrapetyan), Publishing house of Armenian NAS, 283 pages;
2. “The ionic mechanisms of the effect of ionizing radiation on organism” 1990, (Authors: Dvoretski A.I., Ayrapetyan S.N., Shainskaya A.M., Chebotarev E.E.), “Naukova Dumka” Kiev, 136 pages;
3. "Biological Effects of Electric and Magnetic Fields" 1996, (Eds. D. O. Carpenter & S.N. Ayrapetyan), Volume 1: Sources and Mechanisms, Academic press, New York, 369 pages;
4. "Biological Effects of Electric and Magnetic Fields" 1996, (Eds. D. O. Carpenter & S.N. Ayrapetyan), Volume 2: Beneficial and harmful Effects, Academic press, New York, 357 pages;
5. "Pain Mechanisms and Management" 1998 (Ed. S.N. Ayrapetyan & A.V. Apkarian), IOS press, Netherlands, 390 pages;
6. "Magnetoreception and the Mechanisms of EMF Effects on Biosystems" 1999 (G.E. Grigorian) Yerevan, 80 pages;
7. "Modern Problems of Cellular and Molecular Biophysics" 2001 (Eds. Ayrapetyan S. N. & North A.C. T.), 360 pages;
8. "Agricultural Biotechnology and Biosafety for Food Security in the Caucasus Region and Moldova" 2004 (Eds. K. Nichterlein (FAO, Italy) & S.N. Ayrapetyan (Armenia) Noyan Tapan Press, 175 pages;
9. Book of Abstracts of UNESCO/WHO/IUPAB Seminar “Molecular and Cellular Mechanisms of Biological Effects of EMF” and NATO Advanced Research Workshop on “The Mechanisms of the Biological Effect of Extra High Power Pulses”, Noyan Tapan Press, 110 pages;
10. “BIOELECTROMAGNETICS: Current Concepts” 2006. Eds. S. Ayrapetyan (Armenia) & M. Markov (USA) NATO Science Series, Springer Press, The Netherlands, 480 pages.
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| 1. Member of the Board of Associate Editors for the Journal: "Electromagnetic Biology and Medicine" |
| 2. Associate Editor for Biomedical Research of "Journal of Inernational Dental and Medical Research" |
| Selected Publication: |
| Deghoyan A., Hekimyan A. & Ayrapetyan S.N. Age-Dependent Changes Ouabain-Sensitivity of Brain Cell Hydration and Ouabine Binding With Membrane. Cell & Mol Neurobiology, 2010.(in press)
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| Deghoyan A., Hekimyan A. & Ayrapetyan S. N. The Ketamin-induced cell dehydration of brain tissue as a mechanism of it’s analgesic and anesthetic effects on organism.Cell & mol Neurobiology, 2010. (in press)
| | Musheghyan G., Deghoyan A., Ayrapetyan S. The mechanisms of analgesic effect of hypertonic physiological solution on rats. Cellular and Molecular Neurobiology, 2010 (in press).
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| Deghoyan A.,Hekimyan A, Ayrapetyan S. The cell hydration as a marker for non- thermal biological effect of MMW on organisms. Radiobiology 2010, (in press) |
| Deghoyan A., S. Ayrapetyan, In: Molecular mechanisms of intracellular calcium signaling ,(Ed. P.Kostyuk) , Kiev,Ukraine, 2009 (in press)
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| Ayrapetyan G, Hayrapetyan H., Dadasyan E., Barseghyan S., Baghdasaryan N., Mikayelyan E., Ayrapetyan S. The Non Thermal Effect of Weak Intensity Millimeter Waves on Physicochemical Properties of Water and Water Solutions, Electromagnetic Biology and Medicine, Volume 28, Issue( 4), pages 331 - 341. December 2009 |
| Hovhannisyan R. A., Ayrapetyan S.N. The effect of extremely low frequency pulsing magnetic field on tooth pain threshold. Journal of International Dental and Medical Research, V.2 (1) pp. 28-32 2009 |
| Ayrapetyan G.,. Dadasyan E.H.,Mikayelyan E.R.,Barseghyan S.V and Ayrapetyan S. Cell Bathing Medium as a Target for Non-thermal Effect of MMW on Heart Muscle Contractility. PIERS Proceedings, pp: 1057-1060 Moscow, Russia,2009. |
| Ayrapetyan G., Dadasyan E., Hayrapetyan H., Ayrapetyan S. Exogenous Hydrogen Peroxide as a messenger for stimulation effect of magnetized physiological solution on heart contractility. Bioelectromagnetics, 29(7)pp. 549-558, 2008 |
| Moazezi Z., Masood S.M., Ayrapetyan S. Low Intensity Millimeter Wave as a Potential Tool in Treatment of Diabetic Sensorymotor Polyneuropathy, International Dental and Medical Disorders, 1(1)pp. 1-6 2008 |
| Hunanyan A.Sh., Ayrapetyan S. N. The dose-dependent effect of hydrogen peroxide on neuromembrane chemosensitivity. Electromagnetic Biology and Medicine, 26(3)pp. 225-233, 2007 |
| Ayrapetyan G, Grigoryan A, Dadasyan E, Ayrapetyan S. The comparative study of the effects of 4 Hz Electromagnetic Fields , Infrasound- treated and Hydrogen Peroxide containing physiological solutions on Na pump-induced inhibition of heart muscle contractility. The Environmentalist, 27 pp. 483-488,2007 |
| Amyan A.M., Ayrapetyan S. N., The effect of EMF-pretreated distilled water on barley seed hydration and germination potential. In: Bioelectromagnetics: Current Concepts, (Ed. S. Ayrapetyan and M. Markov), NATO Science Series, Springer Press, The Netherlands, pp: 65-86, 2006 |
| Ayrapetyan S. N. Cell aqua medium as a preliminary target for the effect of electromagnetic fields. In: Bioelectromagnetics: Current Concepts, (Ed. S. Ayrapetyan & M. Markov)., NATO Science Series, Springer Press, The Netherlands, pp: 31-64, 2006 |
| Baghdasaryan N.S., Ayrapetyan S. N., The effect of SMF, EHPP and Hydrogen peroxide on the development of yeasts. In: Bioelectromagnetics: Current Concepts, (Ed. S. Ayrapetyan and M. Markov), NATO Science Series, Springer Press, The Netherlands, pp: 391-396, 2006 |
| Simonyan R.H., Ghulyan A, Ayrapetyan S. N. High-frequency device for the measurement of specific absorption rate of biotissues of high intensity. In: Bioelectromagnetics: Current Concepts, (Ed. S. Ayrapetyan and M. Markov), NATO Science Series, Springer Press, The Netherlands, pp: 291-396, 2006 |
| Ayrapetyan S.N., Amyan A.M., Ayrapetyan G. S. The effect of Static Magnetic Fields, Low Frequency Electromagnetic Fields and Mechanical Vibration on some physiochemical properties of water. In: Water in Cell biology (Eds: G. Pollack, I. Cameron, and D.Wheatley), Springer Press, The Netherlands, pp: 151-164, 2006 |
| Hayrapetyan H.V., Grigoryan A.S., Ayrapetyan S.N. Hydrogen Peroxide as a messenger for non-thermal effect of Microwaves on heart contractility. The Bioelectromagnetics Society (BEMS) 28th Annual Meeting. Cancun, Mexico, PB-82, pp: 308-311, 2006
Wachtel H., Simonyan R., Stepanyan H., Ayrapetyan S. Measurement of changes in tissue impedance as a method for rapidly determining post mortem duration and cause of death. The Bioelectromagnetics Society (BEMS) 28th Annual Meeting. Cancun, Mexico, PA-147, pp: 152-155, 2006
Ayrapetyan S.N., Hunanyan A. Sh. Comparative Study of the Effects of EMF-Treated and Hydrogen Peroxide-Containing Solutions on Neuromembrane Chemo sensitivity. Proceedings of the 4th International Workshop on Biological Effects of Electromagnetic Fields (16-20 October 2006, Crete Greece), pp: 1259-1266, 2006
Ayrapetyan G.S., Papanyan A.V., Hayrapetyan H. V., Ayrapetyan S.N. Metabolic pathway of magnetized fluid-induced relaxation effects on heart muscle. Bioelectromagnetics, 26(8) pp. 624-630, 2005
Amyan, A. and Ayrapetyan, S. The biological effect of extremely low frequency electromagnetic fields and vibrations on barley seed hydration and germination. TheScientificWorldJOURNAL 4(S2), pp. 55–69, 2004
Amyan A.M., Ayrapetyan S.N,. On the Modulation Effect of Pulsing and Static Magnetic Fields and Mechanical Vibrations on Barley Seed Hydration. Physiological Chemistry & Physics and Medical NMR. 36: pp. 69-84, 2004
Ayrapetyan S.N, Hunanian A.Sh., Hakobyan S.N. The 4Hz EMF –treated physiological solution depress Ach-induced neuromembrane current. Bioelectromagnetics. Vol.25 Issue (5) pp: 397-399, 2004
Ayrapetyan S.N. Na-K Pump and Na:Ca Exchanger as Metabolic Regulators and Sensors for Extra weak Signals in Neuromembrane. In: "Modern Problems of Cellular and Molecular Biophysics" (Eds. Ayrapetyan S. N. and North A.C. T.), pp. 31-57, 2001
Grigorian K. P., Azatyan K. V., Kazaryan S. H., Ayrapetyan S. N., Ouabain-sensitive and insensitive acetylcholine receptors on the membrane of the same neuron in Helix pomatia Comparative Biochemistry and Physiology( Part C), 128, pp. 511-520, 2001
Ayrapetyan S. N., Stepanyan R. S., Oganesyan G. G., Barsegyan A. A., Alaverdyan Zh. R., Arakelyan A. G. and Markosyan L. S., Effect of Mechanical Vibrations on the lon Mutant of Escherichia coli K-12. Microbiology, v.70, (2), pp. 248-252, 2001
Stepanyan R. S., Alaverdyan Zh. R., Oganesyan H. G., Markosyan L. S. and S. N. Ayrapetyan. The Effect of Magnetic Fields on lon Mutant of Escherichia coli K-12 Growth and Division. Radiational Biology. Radioekology, v. 40, ( 3), pp. 319-322, 2000
Gharibova L.S., Avetisian T.O., Ayrapetian S.N. Static magnetic field changes the activity of venom phospholipase of Vipera Lebetina snakes. Radiational Biology. Radioecolgy, v.40, (4), pp. 433-434, 2000
Gharibova L.S., Ayrapetian S.N. The effect of static magnetic field (SMF) on phospholipid composition of rat excitable and unexcitable cells. Comparative Biochemistry and Physiology, (4), pp.441-442, 2000
Stepanyan R., Ayrapetyan G., Markarian G.,Ayrapetyan S., Arakelyan A. Effect of Infrasound Vibration on Water and DNA Solution Proportions Radioecology, v. 40, (4), pp.443-446, 2000
Ayrapetyan G., Ayrapetyan S., Carpenter D. The Electrogenic Sodium Pump Activity in Aplysia Neurond is not Potential Dependent Acta. Biological Hungarica, pp.27-34, 1999.
Ayrapetyan S., Stepanyan R., Ayrapetyan G., Mikaelyan N. Effect of Mechanical Vibration of the Perfusing Solution on the contractile Activity of the Perfused Snail Heart Biophysics, V.44, pp.895- 900, 1999
Stepanyan R., Ayrapetyan G., Arakelyan A., Ayrapetyan S. Effect of Mechanical Oscillations on Electrical Conductivity of Water Biophysics, V.44, pp.197-202, 1999
Danielyan A.A., Mirakyan M.M., Grigoryan G.Y., Ayrapetian S.N. The Static Magnetic Field on Ouabain H3 Binding by Cancer Tissue. Physiological Chemistry and Physics and Medical NMR, V.31, (2), pp. 139-144, 1999
Danielian A.A., Ayrapetyan S.N.: Changes of Hydration of Rats’ Tissues after in Vivo Exposure to 0.2 Tesla Steady Magnetic Field. Bioelectromagnetics, Vol. 20, (2), pp. 123-128,1999
Harutyunian L.L., Danielian A.A., Grigoryan G.Y., Ayrapetyan S.N.: On the Sensitivity of Different Tissues of rats to SMF. Radiobiol. & Radioecol., Vol. 38, (6), pp. 889-891, 1998
Danielian A.A., Ayrapetyan S.N.: On the Mechanism of Anesthetic Action of Magnetic Fields. Radiobiol. & Radioecol., Vol. 38, ( 6), pp. 908-912, 1998
Azatian K.V., White A.R., Walker R. J., Ayrapetyan S.N.: Cellular and Molecular Mechanisms of Nitric Oxide-Induced Heart Muscle Relaxation. Gen. Pharmac., Vol. 30, (4), pp. 543-553, 1998
Azatian K.V., White A.R., Walker R. J., Ayrapetyan S.N. Cellular and molecular mechanisms of nitric oxide induced effects. In: Pain Mechanisms and Management (Ed. S.N. Ayrapetyan & A.V. Apkarian) IOS press, Netherlands, pp. 331-335, 1998
Ayrapetyan S.N. The application of the theory of metabolic regulation of pain. In: Pain Mechanisms and Management (Ed. S.N. Ayrapetyan & A.V. Apkarian) IOS press, Netherlands, pp. 3 -14, 1998
Saghyan A.A., Hunanian A.Sh. and Ayrapetyan S.N. Effect of Locust Poison (LP) on Neuromembrane Functional Activity. General Pharmacology,vol.29, (4), pp. 587-590, 1997
Azatian K.V., Ayrapetyan S.N., Carpenter D.O.: Metabotropic GABA Receptors Regulate Acetylcholine Responses on Snail Neurons. Gen. Pharmacol., vol. 29, (1), pp. 67-72, 1997
Saghyan A.A., Ayrapetyan S.N., Carpenter D.O. Low dose of ouabain stimulates the Na:Ca exchange in helix Pomatia neurons, Cell.Molec. Neurobiol., 16(4), 489-498, 1996
Gharibova L.S., Avetisian T.H., Ayrapetyan V.E., Ayrapetyan S.N. Effect of PMF on 45Ca influx in excitable and unexcitable cells and proliferative activity of rat spleen cells . Radioecology, (5), pp 718-721, 1996
Saghyan A.A., Avetisian T.H., Ayrapetyan S.N. The pH-dependence of magnetic field 2 (MF) induced changes of Ca-uptake by Helix Neurons. Radiobiology and Radioecology,(5), Moscow, pp:714-717, 1996
Ayrapetyan S.N.: Theoretical aspects of magnitotherapy of pain. Abstr. of 7th Internat. Symposium "The Pain Clinic", Istanbul, Turkey, p.171-172, 1996
Ayrapetyan S.N. Cellular Mechanism of pain. In: Pain- Clinical Aspects and Therapeutical Issues( Ed.B.Kepplinger, Edition Selva Verlag Linz), 311-327, 1995
Ayrapetyan S.N., Grigorian C.V. Avanesian A.S. On a mechanism of action of magnetic field on the electrical conductivity of water solutions and some properties of Helix neurons. Bioelectromagnetics, (15), 133-142, 1994
Ayrapetyan S.N., Avanesian A.S., Avetisian T.H., Majinian S.B.Physiological Effects of magnetic fields may be mediated through actions on the state of calcium ions in solution. In: Biological Effects of Electronic and Magnetic Fields . (Ed. D. Carpenter and S. Ayrapetyan) , vol.1, Academic Press, 181-192, 1994
Azatian K.V., Karapetian I.C., Ayrapetyan S.N. Effect of low dose acetylcholine on Ca ions influx into Helix Pomatia neurons. Biological membranes., (10),317- 320, 1993
Arvanov V.L., Tsai M.C., Walker R.J., Ayrapetyan S.N., Interaction of concanavalin A and wheat germ agglutinin with Helix Acetylcholine receptors, Brain Research, 615, 252-258, 1993
Suleymanyan, M.A., Ayrapetyan, V.E., Arakelian, V.B. and Ayrapetyan S.N. The effect of osmotic gradient on the potassium outward current in dialyzed neurons of Helix pomatia. Cell. Mol. Neurobiol., (13), 183-190, 1993
Ayrapetyan S.N., Carpenter D.O., Azatian K.V., Dadalian S.S., Martyrosian D.M., Saghyan A.A., Mndalian V.G. Extralow neurotransmitter dozes-induced triggering of neuronal intracellular messenger systems. In: Cellular Signalization, (Ed. P.G. Kostyuk and M.A. Ostrovskii), "Nauka", Moscow, p. 89-96, 1992
Arvanov V.L., Ovakimyan K.S., Stepanian A.S., Ayrapetyan S.N. The effects of cAMP, Ca+2 and phorbol ester TPA on ouabain induced depression of neuron responses induced by rapid acetylcholine application. Cell. Molec. Neurobiol., 12, (2), 153-161, 1992
Arvanov V.L., Ovakimyan K.S., Stepanian A.S., Ayrapetyan S.N. Ouabain blocks some rapid concentration- induced clamp acetylcholine responses on Helix neurons. Cell. Molec. Neurobiol., 12, No (2), 143-153, 1992
Ayrapetyan S.N. and Carpenter, D.O. Very low concentration of acetylcholine and GABA modulate transmitter responses. Membrane and Cellular Biophysics and Biochemistry, NeuroReport 2, 563-565, 1991
Ayrapetyan S.N., Carpenter D.O. Synaptic transmitters for membrane functional activity (in Russian). Evol.Biochem and Physiol., 26, (4), 513-528, 1991
Arvanov V.L., Bregestovski P.D., Ayrapetyan S.N. Effect of Ouabain on Acetylcholine-Activated Chloride Channels in the Membrane of Helix Neurons, (in Russian), Moscow, 7,(12), 1302- 31, 1990
Suleymanyan M.A., Ayrapetyan S.N. The Changes in INaIi of Sheep Cardiac Purkinje Fibers in Hyperosmotic Solutions. Comp. Biochem. Physiol.*95A, 237- 244, 1990
Ayrapetyan S.N. A New Theory of Metabolic Regulation of Membrane Functional Activity. In: Metabolic Regulation of Membrane Function. ( Ed. S.Ayrapetyan), Yerevan, pp.8-32, 1990
Dadalyan S.S., Azatian K.V., Ayrapetyan S.N.: Effect of Snail Transport of Sodium Ions and on The Intracellular Level of The Cyclic Nucleotide in Helix Pomatia Neurons (In Russian). Neurochemistry, 7, pp. 18-25, 1988
Ayrapetyan S.N., Arvanov V.L.. The Metabolic Regulation of Membrane Chemosensitivity. In: Neurobiology of Invertebrates, (Ed. Salanki) , Budapest, 36, pp. 669-684, 1988
Ayrapetyan S.N., Rychkov G.Y., Suleymanyan M.A. Effects of Water Flow on Transmembrane Ionic Currents in Neurons of Helix Pomatia and in Squid Giant Axon. Comp. Biochem. Physiol., pp. 684 1988
Dadalyan S.S., Kiss T., Azatian K.V., Ayrapetyan S.N, Salanki J. The Effect of Low Concentration of GABA on the ACh Sensitivity of Snail Neurons. In: Neurobiology of Invertebrates. ( Ed J. Salanki), Budapest, pp.643-653 , 1988
Ayrapetyan S.N., Yegorova E.G., Dvoretsky A.I., Annenkova S.V., Shainskaya A.M. Effect of Ionizing Radiation on the Functional Status of Snail Neurons. Phospholipid Composition and Free Fatty Acid Level (in Russian). Radiobiology, 27, pp. 539-542, 1987
Saghyan A.A., Takenaka T., Ayrapetyan S.N. The Effect of Short- Chain Fatty Acids on the Neuronal Membrane Function. The Na Efflux from the Cell. Cell Molec. Neurobiol. 6, pp. 397-405, 1986
Suleymanyan M.A., Salanki J., Ayrapetyan S.N. The dependence of Pump-Induced Hyper polarization on the Tonicity of the Surrounding Medium and Intracellular Sodium Concentration. Comp. Biochem. Physiol., 78 (A), pp. 591- 595, 1985
Ayrapetyan S.N., Arvanov V.L., Maginyan S.B., Azatian K.V. Further Study of The Correlation Between Na- Pump Activity and Membrane Chemo sensitivity. Cell. Molec. Neurobiol., 5, pp. 231-243 ,1985
Kojima M., Ayrapetyan S.N., Koketsu K. On The Membrane Potential Independent Mechanism of Sodium Pump-Induced Inhibition of Spontaneous Electrical Activity of Japanese Land Snail Neurons. Comp. Biochem. Physiol., 77 (A), pp. 577-583, 1984
Arvanov V.L., Suleymanyan M.O., Majinian S.B., Ayrapetyan S.N. Effect of Ouabain on Interaction Processes between ATP and External Neuronal Membrane. Proceedings of Arm. NAS, V. 29, pp. 41-45 (in Russian), 1984
Arvanov V.L., Salanki J., Ayrapetyan S.N.: Modification of Acetylcholine Sensitivity of Neuronal Membrane by Presynaptic Stimulation. Gen.Physiol.Biophys., 3, pp. 483-488, 1984
Ayrapetyan, S.N., Suleymanyan,M.A., Sagian A.A. and Dadalyan S.S. Autoregulation of Electrogenic Sodium Pump.Cell. Mol. Neurobiol. 4, pp. 367- 384 1984
Ayrapetyan S.N., Dadalyan S.S., Maricyan G.G., Avetisyan G.A. On The "Reserve" ATPase Molecules in The Cell Membrane. (In Russian) Reports Acad. Sci. USSR, 258, pp. 1003-1006, 1981
Ayrapetyan S.N. Arvanov V.L., Karageuzyan K.G. On The Action of Phospholipase on The Cholinoreceptive Properties of Giant Neurons. (In Russian), Reports Acad. Sci. USSR, 255, pp. 212- 215, 1980
Ayrapetyan, S.N., On The Physiological Significance of Pump Induced Cell Volume Changes. Adv. Physiol.Sci., 23, pp. 67-82, 1980
Ayrapetyan S.N. Arvanov V.L. On The Mechanism of The Electrogenic Sodium Pump Dependence of Membrane Chemosensitivity. Comp. Biochem. Physiol., 64 ( A), pp. 601-604, 1979
Ayrapetyan S.N. Arvanov V.L. On The Mechanism of The Electrogenic Sodium Pump Dependence of Membrane Chemosensitivity. Comp. Biochem. Physiol., 64 ( A), pp. 601-604 1979
Ayrapetyan S.N. and Suleymanyan M.A. On The Pump-Induced Cell Volume Changes. Comp. Biochem. Physiol.64 (A), pp. 571-575, 1979
Ayrapetyan S.N., Arvanov V.L.: The Na Pump Activity And Ach Sensitivity of Neuronal Membrane. Comp. Biochem. Physiol., 58(C), pp. 153-155, 1977
Ayrapetyan S.N.: Involvement of Sodium Pump in Slow Oscillations Underlying The Bursting Patterns in Helix Neurons. In: Neurobiology of Invertebrate, (Ed. Salanki) , Budapest, pp. 353-370, 1976
Wachtel H., Carnevale N.T., Ayrapetyan S.N.: The Electrogenesis Metabolic Regulation of Slow Oscillations Underlying Burst Firing Patterns in Aplysia and Helix Neurons. In: Problems of Brain Biochemistry, (Ed. Bunyatian) , Yerevan, pp. 144-166, 1975
Ayrapetyan S.N. The Functional Significance of Electrogenic Sodium Pump in Neurons (in Russian). Problems of Brain Biochemistry, 9 , pp. 233-250, 1974
Ayrapetyan S.N. On The Regulation of The Mechanism of Rhythmic Activity of Helix Neurons. In: Neurobiology of Invertebrates, (Ed. Salanki) , Budapest, pp. 81-92, 1973
Ayrapetyan S.N. Metabolically-Dependent Part of Membrane Potential and Electrode Properties of Giant Neuron Membrane of Mollusk (in Russian). Biofizika, 14, pp. 1027-1031, 1969
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