Evidence map›Paper›PMID 34495449›Full record

ReviewNeurotoxicity research2021

Exploring the Role of Orexinergic Neurons in Parkinson's Disease.

Sachin Kumar, Tapan Behl, Aayush Sehgal, Sukhbir Singh, Neelam Sharma, Saurabh Bhatia, Ahmed Al-Harassi, Mohammed M Abdel-Daim, Simona Bungau

Abstract readReview
PubMed Publisher
In one paragraph

Review in Neurotoxicity research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.2field-weighted citation impact, top 23% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 14 citations in OpenAlex.

  1. When the Scale Drops: Pathways to Weight Loss in Parkinson's Disease and Future Directions.Movement disorders : official journal of the Movement Disorder Society · 2026
    Review
  2. Review
  3. Article
  4. Review
  5. New insights on the potential effect of orexin receptor antagonist suvorexant on Parkinson's disease symptoms.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024
    Article
  6. Review
  7. Article
  8. Review
  9. Review
  10. Review
  11. Exploring the focal role of LRRK2 kinase in Parkinson's disease.Environmental science and pollution research international · 2022
    Review
  12. Linking COVID-19 and Parkinson's disease: Targeting the role of Vitamin-D.Biochemical and biophysical research communications · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 4 countries.

Sachin Kumar *Chitkara College of Pharmacy, Chitkara University, Punjab, India.
Tapan Behl *Chitkara College of Pharmacy, Chitkara University, Punjab, India. tapanbehl31@gmail.com.ORCID http://orcid.org/0000-0003-0993-7708
Aayush SehgalChitkara College of Pharmacy, Chitkara University, Punjab, India.
Sukhbir SinghChitkara College of Pharmacy, Chitkara University, Punjab, India.
Neelam SharmaChitkara College of Pharmacy, Chitkara University, Punjab, India.
Saurabh BhatiaNatural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman.
Ahmed Al-HarassiNatural & Medical Sciences Research Centre, University of Nizwa, Nizwa, Oman.
Mohammed M Abdel-DaimDepartment of Pharmaceutical Sciences, Batterjee Medical College, Pharmacy Program, Jeddah, Saudi Arabia.
Simona BungauDepartment of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania.
Chitkara University · INUniversity of Nizwa · OMSuez Canal University · EGUniversity of Oradea · RO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Parkinson's disease (PD) is a neurodegenerative disease affecting about 2% of the population. A neuropeptide, orexin, is linked with sleep abnormalities in the parkinsonian patient. This study aimed to review the changes in the orexinergic system in parkinsonian subjects and the effects of orexin. A number of search techniques were used and presumed during the search, including cloud databank searches of PubMed and Medline using title words, keywords, and MeSH terms. PD is characterised by motor dysfunctions (postural instability, rigidity, tremor) and cognitive disorders, sleep-wake abnormalities grouped under non-motor disorders. The Orexinergic system found in the hypothalamus is linked with autonomic function, neuroprotection, learning and memory, and the sleep-wake cycle. Prepro-orexin, a precursor peptide (130 amino acids), gives rise to orexins (Orx-A and Orx-B). Serum orexin level measurement is vital for evaluating several neurological disorders (Alzheimer's disease, Huntington's disease, and PD). Orexinergic neurons are activated by hypoglycemia and ghrelin, while they are restrained by food consumption and leptin. Orexinergic system dysfunctioning was found to be linked with non-motor symptoms (sleep abnormalities) in PD. Orexinergic neuron's behaviour may be either inhibitory or excitatory depending on the environment in which they are present. As well, orexin antagonists are found to improve the abnormal sleep pattern. Since the orexinergic system plays a role in several psychological and neurological disorders, therefore, these disorders can be managed by targeting this system.

Indexed as

AnimalsHumansNeuronsOrexinsParkinson DiseaseOrexinsHypocretinNarcolepsyNeuroprotectionOrexinOrexinergic systemParkinson’s disease

Identifiers

PMID34495449
OpenAlexW3196416562

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.