PL2170340T3 - Sposoby i kompozycje stymulacji neurogenezy i hamowania degeneracji neuronów z wykorzystaniem izotiazolopirymidonów - Google Patents

Sposoby i kompozycje stymulacji neurogenezy i hamowania degeneracji neuronów z wykorzystaniem izotiazolopirymidonów

Info

Publication number
PL2170340T3
PL2170340T3 PL08771642T PL08771642T PL2170340T3 PL 2170340 T3 PL2170340 T3 PL 2170340T3 PL 08771642 T PL08771642 T PL 08771642T PL 08771642 T PL08771642 T PL 08771642T PL 2170340 T3 PL2170340 T3 PL 2170340T3
Authority
PL
Poland
Prior art keywords
isothiazolopyrimidinones
compositions
methods
neuronal degeneration
inhibiting neuronal
Prior art date
Application number
PL08771642T
Other languages
English (en)
Polish (pl)
Inventor
Anderson Judith Kelleher
Original Assignee
Neuronascent Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Neuronascent Inc filed Critical Neuronascent Inc
Publication of PL2170340T3 publication Critical patent/PL2170340T3/pl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D513/00Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04Ortho-condensed systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/519Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/53751,4-Oxazines, e.g. morpholine
    • A61K31/53771,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P1/00Drugs for disorders of the alimentary tract or the digestive system
    • A61P1/14Prodigestives, e.g. acids, enzymes, appetite stimulants, antidyspeptics, tonics, antiflatulents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P21/00Drugs for disorders of the muscular or neuromuscular system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/02Drugs for disorders of the nervous system for peripheral neuropathies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/08Antiepileptics; Anticonvulsants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/14Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/14Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
    • A61P25/16Anti-Parkinson drugs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/18Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/20Hypnotics; Sedatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/22Anxiolytics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/24Antidepressants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/28Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/32Alcohol-abuse
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/34Tobacco-abuse
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00Drugs for disorders of the nervous system
    • A61P25/30Drugs for disorders of the nervous system for treating abuse or dependence
    • A61P25/36Opioid-abuse
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00Drugs for disorders of the metabolism
    • A61P3/04Anorexiants; Antiobesity agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00Antineoplastic agents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04Ortho-condensed systems
PL08771642T 2007-06-21 2008-06-20 Sposoby i kompozycje stymulacji neurogenezy i hamowania degeneracji neuronów z wykorzystaniem izotiazolopirymidonów PL2170340T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US94552407P 2007-06-21 2007-06-21
PCT/US2008/067742 WO2008157791A2 (en) 2007-06-21 2008-06-20 Methods and compositions for stimulating neurogenesis and inhibiting neuronal degeneration using isothiazolopyrimidinones
EP08771642.9A EP2170340B1 (en) 2007-06-21 2008-06-20 Methods and compositions for stimulating neurogenesis and inhibiting neuronal degeneration using isothiazolopyrimidinones

Publications (1)

Publication Number Publication Date
PL2170340T3 true PL2170340T3 (pl) 2016-06-30

Family

ID=40156978

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08771642T PL2170340T3 (pl) 2007-06-21 2008-06-20 Sposoby i kompozycje stymulacji neurogenezy i hamowania degeneracji neuronów z wykorzystaniem izotiazolopirymidonów

Country Status (13)

Country Link
US (3) US8609840B2 (US20100298318A1-20101125-C00013.png)
EP (2) EP3053584A1 (US20100298318A1-20101125-C00013.png)
JP (4) JP2010530898A (US20100298318A1-20101125-C00013.png)
KR (2) KR101565971B1 (US20100298318A1-20101125-C00013.png)
CN (1) CN101842100A (US20100298318A1-20101125-C00013.png)
AU (1) AU2008265600B2 (US20100298318A1-20101125-C00013.png)
CA (1) CA2693062C (US20100298318A1-20101125-C00013.png)
DK (1) DK2170340T3 (US20100298318A1-20101125-C00013.png)
ES (1) ES2564826T3 (US20100298318A1-20101125-C00013.png)
IL (2) IL202485A (US20100298318A1-20101125-C00013.png)
PL (1) PL2170340T3 (US20100298318A1-20101125-C00013.png)
RU (1) RU2521333C2 (US20100298318A1-20101125-C00013.png)
WO (1) WO2008157791A2 (US20100298318A1-20101125-C00013.png)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008265600B2 (en) * 2007-06-21 2013-10-31 Neuronascent, Inc. Methods and compositions for stimulating neurogenesis and inhibiting neuronal degeneration using isothiazolopyrimidinones
AU2009282480B2 (en) 2008-08-11 2015-05-07 Children's Medical Center Corporation Halofuginone analogs for inhibition of tRNA synthetases and uses thereof
AU2010298440B2 (en) * 2009-09-22 2016-05-19 Neuronascent, Inc Methods and pharmaceutical compositions for treating down syndrome
AU2013207796B2 (en) 2012-01-13 2017-04-27 President And Fellows Of Harvard College Halofuginol derivatives and their use in cosmetic and pharmaceutical compositions
US9944644B2 (en) 2013-03-14 2018-04-17 The Trustees Of Columbia University In The City Of New York Octahydropyrrolopyrroles their preparation and use
ES2705247T3 (es) * 2013-03-14 2019-03-22 Univ Columbia 4-fenilpiperidinas, su preparación y uso
WO2014151959A1 (en) 2013-03-14 2014-09-25 The Trustees Of Columbia University In The City Of New York N-alkyl-2-phenoxyethanamines, their preparation and use
US9637450B2 (en) 2013-03-14 2017-05-02 The Trustees Of Columbia University In The City Of New York Octahydrocyclopentapyrroles, their preparation and use
CN111393434B (zh) 2014-04-30 2022-11-04 哥伦比亚大学董事会 取代的4-苯基哌啶及其制备和用途
RU2613765C1 (ru) * 2016-01-26 2017-03-21 Федеральное государственное автономное образовательное учреждение высшего образования "Северо-Восточный федеральный университет им. М.К.Аммосова" Способ лечения спиноцеребеллярной атаксии
US10064833B2 (en) * 2016-08-04 2018-09-04 Syneurx International (Taiwan) Corp. Compositions containing benzoate compound and tannic acid for treating central nervous system disorders
RU2670128C2 (ru) * 2016-12-16 2018-10-18 Федеральное государственное автономное образовательное учреждение высшего образования "Балтийский федеральный университет имени Иммануила Канта" (БФУ им. И. Канта) Способ генетической регистрации и коррекции нейрогенеза на основе генетических конструкций для трансфекции нейронов
RU2675111C2 (ru) * 2017-03-31 2018-12-17 Федеральное государственное бюджетное научное учреждение "Научно-исследовательский институт фундаментальной и клинической иммунологии" Способ стимуляции нейрогенеза в гиппокампе
EP3648605A1 (en) * 2017-07-03 2020-05-13 Bayer CropScience Aktiengesellschaft Novel isothiazolo-based bicycles, processes for their preparation and their use as herbicides and/or plant growth regulators
WO2019237125A1 (en) 2018-06-08 2019-12-12 The General Hospital Corporation Inhibitors of prolyl-trna-synthetase

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773919A (en) 1969-10-23 1973-11-20 Du Pont Polylactide-drug mixtures
CH588887A5 (US20100298318A1-20101125-C00013.png) 1974-07-19 1977-06-15 Battelle Memorial Institute
US4089809A (en) 1976-03-01 1978-05-16 The United States Of America As Represented By The United States Department Of Energy Regenerable sorbent and method for removing hydrogen sulfide from hot gaseous mixtures
US4233871A (en) 1978-04-26 1980-11-18 Alessi Anthony A Notching tool
ATE8584T1 (de) 1980-01-16 1984-08-15 Hans Georg Prof. Dr. Weder Verfahren und dialysiereinrichtung zur herstellung von bilayer-vesikeln und verwendung der bilayer-vesikel.
US4485054A (en) 1982-10-04 1984-11-27 Lipoderm Pharmaceuticals Limited Method of encapsulating biologically active materials in multilamellar lipid vesicles (MLV)
US4438253A (en) 1982-11-12 1984-03-20 American Cyanamid Company Poly(glycolic acid)/poly(alkylene glycol) block copolymers and method of manufacturing the same
JPS60100516A (ja) 1983-11-04 1985-06-04 Takeda Chem Ind Ltd 徐放型マイクロカプセルの製造法
US4532089A (en) 1984-01-14 1985-07-30 Northwestern University Method of preparing giant size liposomes
US4897269A (en) 1984-09-24 1990-01-30 Mezei Associates Limited Administration of drugs with multiphase liposomal delivery system
JP2670680B2 (ja) 1988-02-24 1997-10-29 株式会社ビーエムジー 生理活性物質含有ポリ乳酸系微小球およびその製造法
US5580575A (en) 1989-12-22 1996-12-03 Imarx Pharmaceutical Corp. Therapeutic drug delivery systems
US5820880A (en) 1995-06-07 1998-10-13 The United States Of America As Represented By The Secretary Of The Army Liposomal formulation
US5665428A (en) 1995-10-25 1997-09-09 Macromed, Inc. Preparation of peptide containing biodegradable microspheres by melt process
US5736152A (en) 1995-10-27 1998-04-07 Atrix Laboratories, Inc. Non-polymeric sustained release delivery system
US6287588B1 (en) 1999-04-29 2001-09-11 Macromed, Inc. Agent delivering system comprised of microparticle and biodegradable gel with an improved releasing profile and methods of use thereof
AU4709400A (en) 1999-05-11 2000-11-21 Ortho-Mcneil Pharmaceutical, Inc. Pharmacokinetic and pharmacodynamic modeling of erythropoietin administration
MXPA05009577A (es) * 2003-03-07 2005-12-12 Astrazeneca Ab Heterociclos fundidos novedosos y sus usos.
ATE475421T1 (de) * 2003-05-06 2010-08-15 Ustav Ex Botan Akademie Ved Ce Pyrazoloä4,3-düpyrimidines, verfahren zur ihre herstellung und deren verwendung
US7022850B2 (en) 2003-05-22 2006-04-04 Bristol-Myers Squibb Co. Bicyclicpyrimidones and their use to treat diseases
EP1781673B1 (en) * 2004-08-18 2009-10-21 AstraZeneca AB Selected fused heterocyclics and uses thereof
CA2621560A1 (en) * 2005-09-07 2007-03-15 Braincells, Inc. Modulation of neurogenesis by hdac inhibition
AU2008265600B2 (en) * 2007-06-21 2013-10-31 Neuronascent, Inc. Methods and compositions for stimulating neurogenesis and inhibiting neuronal degeneration using isothiazolopyrimidinones

Also Published As

Publication number Publication date
KR20150041668A (ko) 2015-04-16
JP6081528B2 (ja) 2017-02-15
JP2010530898A (ja) 2010-09-16
RU2521333C2 (ru) 2014-06-27
AU2008265600A1 (en) 2008-12-24
DK2170340T3 (en) 2016-03-14
JP5850981B2 (ja) 2016-02-03
US20160022682A1 (en) 2016-01-28
CA2693062A1 (en) 2008-12-24
EP2170340B1 (en) 2016-02-24
KR101600054B1 (ko) 2016-03-04
US9592234B2 (en) 2017-03-14
US20100298318A1 (en) 2010-11-25
EP2170340A2 (en) 2010-04-07
US20140171428A1 (en) 2014-06-19
AU2008265600B2 (en) 2013-10-31
JP2015163648A (ja) 2015-09-10
CN101842100A (zh) 2010-09-22
WO2008157791A2 (en) 2008-12-24
KR20100040728A (ko) 2010-04-20
KR101565971B1 (ko) 2015-11-05
CA2693062C (en) 2016-08-09
JP2014196308A (ja) 2014-10-16
JP2017066166A (ja) 2017-04-06
EP2170340A4 (en) 2010-12-08
RU2010100945A (ru) 2011-07-27
EP3053584A1 (en) 2016-08-10
US8609840B2 (en) 2013-12-17
US9096613B2 (en) 2015-08-04
IL202485A0 (en) 2010-06-30
ES2564826T3 (es) 2016-03-29
IL202485A (en) 2017-03-30
IL251169A0 (en) 2017-04-30
WO2008157791A3 (en) 2009-12-30

Similar Documents

Publication Publication Date Title
IL251169A0 (en) Methods and preparations for stimulating the generation of nerve cells and inhibiting the degeneration of nerve cells through the use of isothiazolopyrimidinones
HRP20182135T1 (hr) Pripravci za i postupci liječenja poremećaja povezanih s ige
HRP20190214T1 (hr) Pripravci i metode za liječenje purpure
EP2170309A4 (en) METHOD AND COMPOSITIONS FOR THE TREATMENT OF DISEASES
ZA201001810B (en) Seed treatment compositions and methods
ZA201001811B (en) Seed treatment compositions and methods
EP2176283A4 (en) METHOD AND COMPOSITIONS FOR TREATING BRAIN DISEASES
EP2150117A4 (en) METHOD AND COMPOSITIONS FOR MITOCHONDRIAL SPARE THERAPY
IL209032A0 (en) Compositions and methods for treating digestive disorders
HK1148906A1 (en) Compositions and methods for cancer treatment
HK1145339A1 (zh) 用於定向整合的方法和組合物
IL202329A0 (en) Methods and compositions for stimulating cells
IL202015A0 (en) Methods and compositions for treating skin conditions
EP2120561A4 (en) COMPOSITIONS FOR TREATING BIOFILMS, AND METHODS FOR THEIR USE
PL2187880T3 (pl) Kompozycje i sposoby do leczenia zwyrodnienia plamki żółtej
EP1937252A4 (en) METHODS AND COMPOSITIONS FOR STIMULATING NEUROGENESIS AND INHIBITING NEURONAL DEGENERATION
EP2205255A4 (en) VEGETABLE COMPOSITIONS AND METHOD FOR THE TREATMENT OF HEPATITIC ILLNESSES
EP2124991A4 (en) PHARMACEUTICAL COMPOSITIONS AND METHOD FOR TREATING EFFECTIVE DYSFUNCTION
HRP20130642T1 (en) Methods and compositions for treating cancers
IL173971A0 (en) Compositions and methods for treating and preventing age-related macular degeneration
EP2237777A4 (en) COMPOSITIONS AND METHOD FOR THE TREATMENT OF NEURODEEGENERATIVE DISEASES
GB0419295D0 (en) Methods and compositions to prevent neuronal degeneration
GB0714500D0 (en) composition and treatment
EP2278982A4 (en) COMPOSITIONS AND METHODS OF TREATING NEURODEEGENERATIVE ILLNESSES
GB0504057D0 (en) Methods and compositions to prevent neuronal degeneration