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Italian utilities company
A2A S.p.A. (branded as A2A Life Company) is an Italian company, organised as a società per azioni, that generates, distributes, and markets renewable energy
A2A
Cell surface receptor found in humans
The adenosine A2A receptor, also known as ADORA2A, is an adenosine receptor, and also denotes the human gene encoding it. This protein is a member of
Adenosine_A2A_receptor
Topics referred to by the same term
A2A is an Italian company. A2A may also refer to: adenosine A2A receptor Agent2Agent – Open protocol for communication between AI agents Alaska-Alberta
A2A_(disambiguation)
Commercial in Milan, Italy
The A2A Tower (Italian: Torre A2A) is a skyscraper in Milan, Italy, which is currently under construction. Designed by architects Antonio Citterio and
A2A_Tower
Class of drugs
Adenosine A2A receptor antagonists are a class of drugs that block adenosine at the adenosine A2A receptor. Notable adenosine A2A receptor antagonists
Adenosine A2A receptor antagonist
Adenosine_A2A_receptor_antagonist
Class of four receptor proteins to the molecule adenosine
ligand. There are four known types of adenosine receptors in humans: A1, A2A, A2B and A3; each is encoded by a different gene. The adenosine receptors
Adenosine_receptor
Open protocol for communication between AI agents
Agent2Agent (A2A) is an open protocol that defines how artificial intelligence agents communicate with each other across different systems. It is intended
Agent2Agent
Pharmaceutical compound
a non-xanthine selective antagonist or inverse agonist of the adenosine A2A receptor that was previously under development by Kyowa Kirin as a monotherapy
Sipagladenant
Bankrupt Canadian rail development company
The Alaska-Alberta Railway Development Corporation (also known as A2A for Alaska to Alberta) was an entity created to build, own, and operate a proposed
Alaska-Alberta Railway Development Corporation
Alaska-Alberta_Railway_Development_Corporation
Chemical compound
and selective antagonist for the adenosine receptor A2A, with more than 50x selectivity for A2A over other adenosine receptors. It has been used to investigate
SCH-58261
Nasal decongestant
2 adrenergic receptors of 151 for a2A vs a2B, 4.5 a2A vs a2C, and 33.9 a2B vs a2C. Making it a highly selective a2A agonist. Xylometazoline was patented
Xylometazoline
Chemical compound
and diabetic foot ulcers. The mechanism involves activation of adenosine A2A receptors, upregulating expression of vascular endothelial growth factor
Polydeoxyribonucleotide
Chemical compound
by adenosine occurs through four known adenosine receptor subtypes (A1, A2A, A2B, and A3). Extracellular adenosine concentrations from normal cells are
Adenosine
Rapid transit line in northern Taiwan
Archived 21 July 2011 at the Wayback Machine "機場捷運增設A2a站及A5a站計畫 - 路線說明" [Taoyuan Airport MRT Station A2a and A5a expansion plan - route description] (in Chinese)
Taoyuan_Airport_MRT
Metro station in Brescia, Italy
A2A Lamarmora (previously Lamarmora) is a station of the Brescia Metro, in the city of Brescia in northern Italy. The station is located on Via Lamarmora
A2A_Lamarmora_(Brescia_Metro)
Pharmaceutical compound
Adopted Name; developmental code names CPI-444 and V-81444) is an adenosine A2A receptor antagonist which is under development for the treatment of renal
Ciforadenant
American aircraft engine
Same as A1A but with straight riser in oil sump and -32 carburetor. O-320-A2A 150 hp (112 kW) at 2700 rpm, Minimum fuel grade 80/87 avgas, compression
Lycoming_O-320
Chemical compound
Schering-Plough which acts as a potent and selective antagonist of the adenosine A2A receptor. It was being researched as a potential treatment for Parkinson's
Preladenant
Uniform address for services on a website
(ACME). IETF. doi:10.17487/RFC8555. RFC 8555. "Agent Discovery - A2A Protocol". a2a-protocol.org. Retrieved 2025-10-18. "Getting Started – OpenAI API"
Well-known_URI
Adenosine A2A receptor antagonist and MAO-B inhibitor
selective adenosine A2A receptor antagonist which is used in scientific research. It has 520-fold selectivity for the adenosine A2A receptor over the adenosine
3-Chlorostyrylcaffeine
Chemical compound
(common cold). Istradefylline is a selective antagonist at the adenosine A2A receptor (A2AR), but the precise mechanism by which it exerts its therapeutic
Istradefylline
Selective adenosine A2A receptor antagonist used in scientific research
MSX-3 is a selective adenosine A2A receptor antagonist used in scientific research. Similarly to MSX-4, it is a water-soluble ester prodrug of MSX-2.
MSX-3
Central nervous system stimulant
and the A2A–D2 receptor heterotetramer (this is a receptor complex with two adenosine A2A receptors and two dopamine D2 receptors). The A2A–D2 receptor
Caffeine
Italian businessman
businesses. He is the CEO and the Managing Director of Italian energy company A2A. Mazzoncini was born in 1968 in Brescia, Italy. In 1992, he graduated with
Renato_Mazzoncini
Chemical compound
ZM-241,385 is a high affinity antagonist ligand selective for the adenosine A2A receptor. In animal models, ZM-241,385 has been shown to protect against
ZM-241,385
Subclass of substance/medication-induced anxiety disorder
adenosine A1 and A2A receptors. Adenosine is a normal neuromodulator that activates adenosine g-protein coupled receptors. The actions of A1 and A2A receptors
Caffeine-induced anxiety disorder
Caffeine-induced_anxiety_disorder
Selective adenosine A2A receptor antagonist
MSX-2 is a selective adenosine A2A receptor antagonist used in scientific research. It is a xanthine and a derivative of the non-selective adenosine receptor
MSX-2
Chemical compound
pulmonary disease, which acts as a potent and selective agonist of the adenosine A2A receptor. It was discontinued from clinical trials following poor efficacy
UK-432,097
Family of light single engine aircraft
prototype was built to this standard and was powered by a Lycoming O-320-A2A engine, while production aircraft were powered by the O-320-A2B. Although
Piper_PA-28_Cherokee
Chemical compound
CGS-21680 is a specific adenosine A2A subtype receptor agonist. It is usually presented as an organic hydrochloride salt with a molecular weight of 536
CGS-21680
Chemical compound
Regadenoson, sold under the brand name Lexiscan among others, is an A2A adenosine receptor agonist that is a coronary vasodilator that is commonly used
Regadenoson
Italian economist and manager (born 1964)
Patuano (born 6 June 1964) is an Italian economist, manager and President of A2A. Patuano studied Corporate Finance and graduated from Bocconi University
Marco_Patuano
A1/A2A heteromers and dopamine D1/D2 and D1/D3 heteromers) or between entirely unrelated receptors such as CB1/A2A, glutamate mGluR5 / adenosine A2A heteromers
Heteromer
Drug increasing motivation in humans
(including A1, A2A, A2B, and A3). Conversely, agents like istradefylline and preladenant are selective adenosine A2A receptor antagonists. Adenosine A2A receptor
Motivation-enhancing_drug
Selective adenosine A2A receptor antagonist
Lu AA41063 is a selective adenosine A2A receptor antagonist. Structurally, it is a non-xanthine. The affinities (Ki) of the drug for the human adenosine
Lu_AA41063
Region of the basal forebrain
pathway (i.e., D2-type) neurons in the NAcc core which co-express adenosine A2A receptors activation-dependently promote slow-wave sleep. The NAcc core has
Nucleus_accumbens
Environmental non-governmental organization
The Algonquin to Adirondacks Collaborative (A2A) is an environmental NGO, a registered charity, and a not-for-profit multi-national (Canada, United States
Algonquin to Adirondacks Collaborative
Algonquin_to_Adirondacks_Collaborative
Pharmaceutical compound
Adopted Name; developmental code name BIIB014 and others) is an adenosine A2A receptor antagonist which was under development for the treatment of Parkinson's
Vipadenant
Class of drugs
adenosine triphosphate (ATP), and the pharmaceutical drug regadenoson. ATL146e (A2A selective) PD81,723 (A1 allosteric enhancer) CF102 (Adenosine A3 receptor)
Adenosine_receptor_agonist
Pharmaceutical compound
an experimental drug which acts as a selective inhibitor of the adenosine A2A receptor. It is in clinical trials for the treatment of lung cancer, and
Taminadenant
Combination of multiple drugs to improve treatment
antipsychotics for the management of schizophrenia. Giving an adenosine A2A receptor antagonist on top of existing treatment for Parkinson's disease
Augmentation_(pharmacology)
Alternative Morse code transmission technique
channel containing digital information, and using a subcarrier, also known as A2A. For example, Morse code sent by in an AM broadcast by a commercial radio
Modulated_continuous_wave
Adenosine A2A receptor antagonist for Parkinson's disease
Lu AA47070 is a selective adenosine A2A receptor antagonist that was under development for the treatment of Parkinson's disease but was never marketed
Lu_AA47070
Italian utility company
Source: Hera Group: 7,582.4 A2A: 4,763.0 Iren: 4,129.0 Acea: 1,603.0 Source: Hera Group: 285.8 Iren: 191.0 A2A: 67.0 Source: A2A: 2,825.0 Hera Group: 2,603
Hera_(company)
1950s American light aircraft
Two or four seats, tricycle landing gear, 150 hp (110 kW) Lycoming O-320-A2A or A2B engine. Certified 3 September 1952 as a four place in the normal category
Piper_PA-20_Pacer
magneto. Minimum fuel grade 91/96 avgas. Certified on 13 January 1955. O-340-A2A Four-cylinder, horizontally opposed, 340.4 cubic inches (5.58 litres), 170 hp
Lycoming_O-340
Alaskan Class II railroad system
Corporation (A2A Railway), which had an agreement with Alaska Railway to develop a joint operating plan for the rail connection to Canada. The proposed A2A Railway
Alaska_Railroad
Italian architect and designer
designer and industrial designer who lives and works in Milan. He designed the A2A Tower in Milan. He received a degree in architecture from Politecnico di
Antonio_Citterio
Sporting arena in Varese, Italy
Former names Palazzo dello Sport Lino Oldrini PalaIgnis PalaWhirlpool PalA2A Location Piazzale Antonio Gramsci, 1 21100 Varese, VA, Italy Coordinates
Palasport_Lino_Oldrini
Italian corporate manager (born 1965)
directors. From early 2008 to mid-2014 Ravanelli was general manager of the A2A Group – the main Italian multiutility company operating in the electric power
Renato_Ravanelli
to Avanti Screen Media. Greatrex then became chief executive officer of a2a Group Limited, refocusing its interests into broadband television and taking
Tim_Greatrex
Medical condition
dependence. In the human body, caffeine blocks adenosine receptors A1 and A2A. Adenosine is a by-product of cellular activity: the stimulation of adenosine
Caffeine_dependence
(specifically, the medium spiny neurons of the D2-type which co-express adenosine A2A receptors), and a GABAergic nucleus in the lateral hypothalamus which co-releases
Parafacial_zone
Type of GABAergic neuron in the striatum
these neurons express D2-type dopamine receptors, adenosine A2A receptors (A2A), DRD2–A2A heterotetramers, and enkephalin. Both types express glutamate
Medium_spiny_neuron
The Athens to Atlanta Road Skate, also called the A2A, is America’s oldest road skating event. Held each October since 1982, the race consists of three
Athens-to-Atlanta_Road_Skate
Pharmaceutical compound
Adopted Name; developmental code names RO4494351 and SYN-115) is an adenosine A2A receptor antagonist which was under development for the treatment of Parkinson's
Tozadenant
Flat-four piston aircraft engine family by Lycoming
The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce
Lycoming_O-360
Open-source workflow engine
governed agentic automation with enterprise‑grade multi‑agent orchestration, A2A‑compatible external agent support, and enhanced AI Studio capabilities, adding
Flowable
Eni FS Group Intesa Sanpaolo Leonardo Poste Italiane Stellantis Partners A2A Autostrade of Italy Deloitte Emporio Armani ENIT Esselunga FiberCop [it]
2026 Winter Olympics marketing
2026_Winter_Olympics_marketing
Substance that causes anxiety
linked to general anxiogenic effects, and specific receptors, such as the A2A receptor disorders. However, research suggests that for caffeine to have
Anxiogenic
The Americas prior to European influence
A2 including the shared sub-arctic branches A2b (Siberians and Inuit) and A2a (Eskimos and Na-Dené) is probably due to secondary expansions of haplogroup
Pre-Columbian_era
Repository of archival records of the UK government
and writing using archival materials. Access to Archives (also known as A2A) is a database containing details of archival collections held in many different
The National Archives (United Kingdom)
The_National_Archives_(United_Kingdom)
Human Y-chromosome DNA haplogroup
Page71, Page87, Page95) A1b1a1a (M6, M196) A1b1a1a1 (M212) A1b1a1a1a formerly A2a (M114) A1b1a1a1b formerly A2b (P28) A1b1a1a1c formerly A2c (P262) A1b1b formerly
Haplogroup_A-L1085
50:1. Same as the C1G except that it has dynafocal engine mounts. O-360-A2A 180 hp (134 kW) at 2700 rpm, Minimum fuel grade 91/96 avgas, compression
List of Lycoming O-360 variants
List_of_Lycoming_O-360_variants
Period of sleep in humans and other animals
these neurons that expresses both D2-type dopamine receptors and adenosine A2A receptors), located within the striatum the ventrolateral preoptic area (GABAergic
Slow-wave_sleep
Nigerian entrepreneur
from his father, which he used to invest in his first company, known as A2A International Limited. The company made him known in the field of trading
Mahmood_Ahmadu
Enterprise data network
access connection. The ADN design provides an application-to-application (A2A) based model instead of S2S (site-to-site) model. ADN solutions address the
Application_Defined_Network
Species of plant
including 5-HT2C and 5-HT7 serotonin receptors, D2 dopamine receptors, and A2A adenosine receptors. Mitragynine stimulates α2-adrenergic receptors, inhibiting
Mitragyna_speciosa
Chemical compound
Vittori, Sauro; Volpini, Rosaria (2003). "Medicinal Chemistry of Adenosine A2A Receptor Agonists". Current Topics in Medicinal Chemistry. 3 (4): 387–401
5′-(N-Ethylcarboxamido)adenosine
5′-(N-Ethylcarboxamido)adenosine
Chemical compound
reasonably selective antagonist for the adenosine receptors A1 and A2A, having a Ki of 3.3nM at A2A and 21nM at A1. It was one of the first adenosine receptor
CGS-15943
Skyscraper in Milan, Italy
(65 m) Snia Viscosa Tower (59 m) Rasini Tower (50 m) Under construction A2A Tower (144 m) CityWave (111 m) I Portali (104) MI.C (94 m) Buildings listed
Allianz_Tower
Skyscraper in Milan
(65 m) Snia Viscosa Tower (59 m) Rasini Tower (50 m) Under construction A2A Tower (144 m) CityWave (111 m) I Portali (104) MI.C (94 m) Buildings listed
Libeskind_Tower
33,528 1,584 121,033 Rome 6 UniCredit Banking 28,531 6,792 75,040 Milan 7 A2A Utilities 24,365 422 13,655 Brescia 8 Hera Group Utilities 21,698 268 9,415
List of largest Italian companies
List_of_largest_Italian_companies
Investigational Parkinson's disease drugs
receptor agonist and other actions [315] Tozadenant (A2a-(3); RO4494351; SYN-115) – adenosine A2A receptor antagonist [316] Utreloxastat (EPI-857; PTC-857)
List of investigational Parkinson's disease drugs
List_of_investigational_Parkinson's_disease_drugs
modulator and gabapentinoid Ciforadenant (CPI-444, V-81444) – adenosine A2A receptor antagonist CM-4612 (CM-ADHD, CM-AT, CM-PK) – gastrointestinal/pancreatic
List of investigational attention deficit hyperactivity disorder drugs
List_of_investigational_attention_deficit_hyperactivity_disorder_drugs
Main receptor for most antipsychotic drugs
receptors; these include: D1–D2 dopamine receptor heteromer D2–adenosine A2A D2–ghrelin receptor D2sh–TAAR1 The D2 receptor has been shown to form heterodimers
Dopamine_receptor_D2
City and comune in the region of Lombardy, Italy
engineering. Major companies based in the Brescia area include utility company A2A, steel producer Lucchini and firearms manufacturers Beretta and Perazzi.
Brescia
Transdermal patch that releases caffeine into the body
directly. Caffeine is particularly good at blocking the A2A Adenosine receptor. Blocking the A2A receptor is thought to be responsible for promoting wakefulness
Caffeine_patch
Protein family
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
Secretin_receptor_family
2005 video game
combat flight simulator created by Shockwave Productions (currently known as A2A Simulations) and released in 2005. It is a remake of Rowan's Battle of Britain
Battle of Britain II: Wings of Victory
Battle_of_Britain_II:_Wings_of_Victory
RX-595 RX-700 RX-730 RX-750 RX-770 RX-777 RX-797 RX-830 RX-900 RX-930 RX-A2A RX-A4A RX-A6A RX-A8A RX-A550 RX-A660 RX-A670 RX-A680 RX-A700 RX-A710 RX-A720
List of Yamaha Corporation products
List_of_Yamaha_Corporation_products
Protein-coding gene in the species Homo sapiens
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
LGR6
VTOL aircraft prototype by Piasecki Aircraft
between the two rotors. Power was by two 180 hp (134.2 kW) Lycoming O-360-A2A piston engines, driving the rotors by a central gearbox. The first of two
Piasecki_VZ-8_Airgeep
Accumulation of historical records
long-term preservation of authentic digital records Access to Archives (A2A) – the English strand of the UK archives network Online-Guide to Archives
Archive
Protein
phosphorylation of DARPP-32, achieved via modulation of dopamine D2 and adenosine A2A transmission. PPP1R1B has also been associated with improved transfer of
PPP1R1B
State of drowsiness or lassitude following a meal
the hypothalamus via astrocytic release of adenosine that is blocked by A2A receptor antagonists like caffeine. Evidence also suggests that the small
Postprandial_somnolence
Human settlement in England
Newquay & Bodmin ISBN 978-0-319-22938-5 http://www.nationalarchives.gov.uk/A2A/records.aspx?cat=021-cf_1-1&cid=-1&Gsm=2008-06-18#-1 Reference to lease http://freepages
London_Apprentice
Place in Canada
• Total 0 Time zone UTC– 3:30 (Newfoundland Standard Time Zone) • Summer (DST) UTC– 2:30 (Newfoundland Daylight) Canadian Postal code A2A Area code 709
Haystack, Newfoundland and Labrador
Haystack,_Newfoundland_and_Labrador
Milan towers
(65 m) Snia Viscosa Tower (59 m) Rasini Tower (50 m) Under construction A2A Tower (144 m) CityWave (111 m) I Portali (104) MI.C (94 m) Buildings listed
Garibaldi_Towers
Second-largest city in Italy
g. Webuild), retail (e.g. Esselunga, La Rinascente) and utilities (e.g. A2A, Edison S.p.A., Snam, Sorgenia) sectors are also large employers in the Greater
Milan
Chemical compound
selective adenosine A2a subtype receptor antagonist. It is widely used in its 11C radiolabelled form to map the distribution of A2a receptors in the brain
SCH-442,416
Type of grid energy storage
5 MW/4 MWh demonstrator plant in Ottana Sardinia, for the Italian utility company A2A, which came into operation in June 2022. The company claims a round trip
Compressed carbon dioxide energy storage
Compressed_carbon_dioxide_energy_storage
Skyscraper in Milan
(65 m) Snia Viscosa Tower (59 m) Rasini Tower (50 m) Under construction A2A Tower (144 m) CityWave (111 m) I Portali (104) MI.C (94 m) Buildings listed
Generali_Tower
Chinese magical girl film metaseries
Jingxuan Huang Anyi Jony Sun [zh] Opening theme "Balala the Fairies" by A2A (AOA) Ending theme "The Happy Money Box" Country of origin China Original
Balala_the_Fairies
Dutch e-commerce payment system
payment solution. iDEAL is to become a European payment account-to-account (A2A) instant payment scheme and a multi-faceted digital wallet. EPI will initially
IDEAL
Protein-coding gene in the species Homo sapiens
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
RRH
Protein-coding gene in the species Homo sapiens
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
Hydroxycarboxylic acid receptor 1
Hydroxycarboxylic_acid_receptor_1
Mammalian protein found in humans
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
Melanocortin_4_receptor
Protein-coding gene in humans
Neurotransmitter Adrenergic α1 A B D α2 A B C β1 β2 β3 Purinergic Adenosine A1 A2A A2B A3 P2Y 1 2 4 5 6 8 9 10 11 12 13 14 Serotonin (all but 5-HT3) 5-HT1 A
GPR182
Human Y-chromosome DNA haplogroup
Khoisan males, including 5/39 A2-M6/M14/M23/M29/M49/M71/M135/M141(xA2a-M114) and 1/39 A2a-M114. The clade A1b1b (M32; formerly A3) contains the most populous
Haplogroup_A_(Y-DNA)
A2A
A2A
A2A
A2A
Boy/Male
Indian
Freed slave of prophet
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu
Full of Happiness; Winner of a Game; Victor
Boy/Male
Hindu, Indian, Marathi
Strong; Powerful
Male
Polish
Polish form of Greek Gabriēl, GABRYJEL means "man of God" or "warrior of God."
Boy/Male
Tamil
The black God
Boy/Male
Afghan, Arabic, Iranian, Muslim, Pakistani
Shadow or Copy of the King
Surname or Lastname
English
English : unexplained; perhaps a variant of Noyce.
Surname or Lastname
English
English : from an unrecorded Old English female personal name composed of the elements tūn ‘settlement’, ‘village’ + hild ‘strife’, ‘battle’.
Boy/Male
Hindu, Indian
Soft
Girl/Female
Indian, Marathi
Shadow
A2A
A2A
A2A
A2A
A2A