{"id":4457,"date":"2026-07-10T10:42:10","date_gmt":"2026-07-10T10:42:10","guid":{"rendered":"https:\/\/hjog.org\/?p=4457"},"modified":"2026-07-10T14:08:28","modified_gmt":"2026-07-10T14:08:28","slug":"_research-article-12-2-19-2-51-3","status":"publish","type":"post","link":"https:\/\/hjog.org\/?p=4457","title":{"rendered":"Decoding the molecular pathways of Ricinus communis<\/em> in labor induction: A Reverse Pharmacology Insight"},"content":{"rendered":"

Original Article<\/span><\/p>\n

HJOG 2026, 25 (3), 208-217 | doi: 10.33574\/hjog.0629<\/p>\n

Sanika Aphale1<\/sup>, Sumedh Joshi2<\/sup>, Swati Gaikwad3<\/sup>, Meenakshi Pandey4<\/sup>, Sujata Kadam5<\/sup><\/p>\n

1<\/sup>PG scholar, Dept. of Prasuti Tantra & Stri Roga, All India Institute of Ayurveda, New Delhi
\n2<\/sup>PhD scholar, Dept. of Dravyaguna, All India Institute of Ayurveda, New Delhi
\n3<\/sup>Associate Professor, Dept. of Prasuti Tantra & Stri Roga, All India Institute of Ayurveda, New Delhi
\n4<\/sup>Associate Professor, Dept. of Prasuti Tantra & Stri Roga, All India Institute of Ayurveda, New Delhi
\n5<\/sup>Professor and Head, Dept. of Prasuti Tantra & Stri Roga, All India Institute of Ayurveda, New Delhi<\/p>\n

Correspondence:\u00a0<\/em>Dr Sumedh Joshi, PhD scholar, All India Institute of Ayurveda, Sarita Vihar New Delhi 110044, Tel.: 8856951935, e-mail: sumedhjoshi10395@gmail.com<\/a><\/p>\n

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\n
Abstract<\/strong><\/h5>\n

Background: <\/strong>Seed Oil of herb Ricinus communis<\/em> L. (commonly known as castor oil or Eranda Taila<\/em> in sanskrit) has traditionally been used to induce labor. However, its mode of action as well as underlying molecular mechanisms remain unclear. In alignment with the principles of reverse pharmacology, the present in silico study was undertaken to bridge this gap and investigate the mechanistic insights regarding the labor induction pathways targeted by phytochemicals in Castor oil<\/p>\n

Methods: <\/strong>Bioactive compounds of Ricinus communis L. were retrieved from phytochemical databases and literature, followed by ADME screening using the software Swiss ADME. Eight compounds fulfilling drug-likeness criteria were selected for target prediction. Labor induction\u2013related genes were obtained from gene cards and relevant published research articles. Common targets were identified and analysed through protein-protein interaction (PPI) networks using STRING and hub gene analysis through the software Cyto-Hubba. Gene Ontology (GO) and KEGG pathway enrichment were also performed.<\/p>\n

Results: <\/strong>A total of 112 common targets between castor oil and labor induction were identified. Hub gene analysis highlighted NF-\u03baB1, IL6, PTGS2, and MMP9. GO and KEGG analysis revealed enrichment in inflammatory and immune-related pathways, particularly the TNF and NF-\u03baB signalling pathways. Palmitic acid and Oleic acid were identified as key active compounds.<\/p>\n

Conclusion: <\/strong>Castor oil may induce labor by modulating key inflammatory and immunoregulatory pathways. These findings support its traditional as well as ethnomedicinal use and provide a scientific basis for its mechanism of action in parturition.<\/p>\n

Key words: <\/strong><\/em>Castor oil, labor induction, in silico, Ricinus communis<\/em>, NF-\u03baB<\/p>\n

Introduction<\/strong><\/h5>\n

The process of parturition is a complex physiological event defined by four sequential yet overlapping phases that guide the transition from pregnancy to postpartum recovery. Phase 1 involves uterine quiescence and cervical softening; Phase 2 is the activation phase, marked by cervical ripening and increased uterine responsiveness; Phase 3 is the stimulation phase, characterized by active labor, coordinated contractions, and delivery of the fetus; and Phase 4 encompasses involution and cervical repair\u00b9. The onset of labor is regulated by intricate mechanisms, primarily theorized to involve the withdrawal of pregnancy-maintaining factors like progesterone, the synthesis of labor-promoting substances, and fetal maturation signals such as adrenocorticotropic hormone (ACTH)\u00b2.<\/p>\n

When these regulatory mechanisms fail, pregnancy may extend beyond the optimal duration. The absence of spontaneous labor onset can be attributed to predisposing factors such as primiparity, obesity, genetic predisposition, placental sulfatase deficiency, or a history of post-term pregnancy\u00b3. A post-dated pregnancy extends beyond 40 weeks (280 days), while a post-term pregnancy reaches or exceeds 42 weeks (294 days)\u2074. Prolonged gestation increases the risk of severe maternal and fetal complications, including oligohydramnios, meconium aspiration, macrosomia, stillbirth, and a higher incidence of caesarean delivery\u2075. To mitigate these risks, Induction of Labor (IOL) is frequently recommended.<\/p>\n

In India, the prevalence of labor induction is approximately 22%\u2076. Modern pharmacological agents used for induction include Misoprostol, Dinoprostone, Oxytocin, and occasionally Mifepristone, which facilitate cervical ripening and uterine contractions. Alongside these agents, traditional medicine has long utilized natural remedies for similar purposes. Ricinus communis<\/em> L., commonly known as Castor oil (Eranda Taila<\/em>), is a vegetable oil derived from seeds that has been widely recognized in ethnomedicine for its laxative, anti-inflammatory, analgesic, and labor-inducing properties\u2077. Clinical research has substantiated the efficacy of castor oil in inducing labor, yet its precise mode of action and underlying molecular mechanisms remain largely unclear\u2078.<\/p>\n

This study employs Reverse Pharmacology, a discipline that inverts the conventional drug discovery model by starting with clinically observed effects and proceeding to mechanistic validation\u2079. In alignment with these principles, the present in silico<\/em> study was undertaken to bridge the knowledge gap regarding castor oil’s utility in obstetrics. The objective of this article is to provide mechanistic insights into the pathways and targets of castor oil involved in the induction of labor, thereby offering a scientific basis for its traditional application.<\/p>\n

Materials and Methods<\/strong><\/h5>\n

Active compounds in Ricinus communis:<\/em><\/strong><\/p>\n

Information on bioactives of\u00a0castor oil was retrieved from literature and publicly available databases. The bioactive compounds were collected from the phytochemical-based Indian Medicinal Plants, Phytochemistry, and Therapeutics (IMPPAT)10<\/sup>\u00a0database and articles on HR-LCMS of castor oil. The keyword \u201cRicinus communis<\/em>\u201d was used in the databases. PubChem 11<\/sup>\u00a0was used to collect the chemical information of bioactive compounds, such as PubChem ID, structure, and molecular weight as shown in Table 1<\/a>.<\/p>\n

Absorption, distribution, metabolism, and excretion (ADME) screening of active phytoconstituents in Ricinus communis<\/em>:<\/strong><\/p>\n

The SMILES (simplified molecular-input line-entry system) were searched for bioactive compounds identified from literature and publicly available databases of Castor oil (Ricinus communis<\/em>) as shown in Table 2<\/a>. The SMILES were screened for human gastrointestinal absorption (HIA), Drug-likeness etc using Swiss ADME (http:\/\/www.swissadme.ch\/<\/a>) [12]<\/sup>\u00a0software. Phytoconstituents having bioavailability of more than 0.40 were retained.<\/p>\n

Targets prediction of ADME-qualified phytoconstituents:<\/em><\/strong><\/p>\n

Targets of the ADME-qualified bioactives were retrieved from Swiss Target Prediction (http:\/\/www.swisstargetprediction.ch\/<\/a>)13<\/sup>, CTD database\u00a0and those showing targets with a probability of more than 0.7 were only selected for study.<\/p>\n

Retrieval of targets for IOL<\/em><\/strong><\/p>\n

Targets of IOL were obtained by keyword \u201cinduction of labor\u201d from Gene Cards (https:\/\/www.genecards.org\/<\/a>)14<\/sup>.<\/p>\n

Identification of relevant targets of Castor oil in IOL<\/em><\/strong><\/p>\n

Common targets of Castor oil in IOL were identified using bio-informatics venn-diagram15<\/sup>. Alternatively, another list of targets common between castor oil and IOL based on the available literature was retrieved.<\/p>\n

Other Human Protein and Protein-Protein Interaction Data<\/em><\/strong><\/p>\n

The data of other human protein and protein-protein interaction (PPI) came from\u00a0 String16<\/sup>, with the species limited to \u201cHomo sapiens\u201d and a confidence score >0.4.String (http:\/\/string-db.org\/<\/a>, ver. 10) is a database of known and forecasted protein-protein interactions and In Act (http:\/\/www.ebi.ac.uk\/intact\/<\/a>, ver. 4.2.4) provides an open source database and analysis tools for molecular interaction data.<\/p>\n

Identification of top targets<\/em><\/strong><\/p>\n

Using the common targets and the PPI derived from string database, top targets were retrieved using cyto-hubba.<\/p>\n

Network construction, Gene Ontology, and KEGG enrichment analysis<\/em><\/strong><\/p>\n

\u00a0The herb\u2013bioactive\u2013target network was constructed and visualized by Cytoscape 3.9.1. (Cytoscape Developer: Institute of system biology in Seattle, US) Degree, betweenness centrality, and closeness centrality indicating the topological importance of nodes in the network were analysed by the Network Analyzer Tool in Cyto-scape17<\/sup>. Using Kyoto Encyclopaedia of Genes and Genomes (KEGG)18<\/sup> pathway enrichment analyses of targets was done.<\/p>\n

Results<\/strong><\/h5>\n

Pharmacokinetic Profiling and Draggability Assessment of Ricinus communis Constituents<\/em><\/strong><\/p>\n

To evaluate the therapeutic potential of Ricinus communis, the retrieved phytoconstituents underwent a rigorous in silico pharmacokinetic assessment. The screening protocol prioritized compounds exhibiting optimal “drug-like” properties based on ADME (Absorption, Distribution, Metabolism, and Excretion) descriptors.<\/p>\n

Key inclusion criteria involved a bioavailability score >0.55 and high gastrointestinal (GI) absorption, ensuring sufficient systemic exposure following oral administration. Furthermore, the molecular physicochemical properties were scrutinized against Lipinski\u2019s Rule of Five (Ro5) to predict oral draggability. The BOILED-Egg model (Brain or Intestinal Estimate D permeation method) was utilized to concurrently predict GI absorption and blood-brain barrier (BBB) permeation. Out of the nine initially identified phytochemicals, eight demonstrated superior pharmacokinetic profiles, satisfying the requisite thresholds for bioavailability and membrane permeability. These eight bioactive moieties were deemed suitable lead candidates and retained for downstream target prediction as shown in Table 2<\/a>. The detailed physicochemical descriptors and ADME compliance data are tabulated in Supplementary Table S1.<\/p>\n

Identification of Compound-Specific and Disease-Associated Targets<\/em><\/strong><\/p>\n

To elucidate the molecular mechanism of action, a dual-directional target fishing approach was employed.<\/p>\n

First, the biological targets for the eight ADME-screened phytoconstituents were predicted, yielding 742 unique putative targets (Supplementary Table S2). This broad target spectrum reflects the poly-pharmacological nature of the herbal constituents.<\/p>\n

Simultaneously, the genetic landscape of Induction of Labor (IOL) was mapped by mining the Gene Cards database. This search retrieved 730 disease-associated targets implicated in the physiological and pathological pathways of labor (Supplementary Table S3). This dataset represents the “disease module,” encompassing genes involved in uterine contractility, cervical ripening, and inflammatory signalling.<\/p>\n

Construction of the Therapeutic Target Intersection<\/em><\/strong><\/p>\n

To isolate the specific genomic interactions responsible for the labor-inducing efficacy of R. communis, a Venn analysis was conducted to map the intersection between the phytoconstituent target space and the IOL disease module.<\/p>\n

The cross-referencing revealed 112 common targets. These intersecting genes represent the core “drug-disease” therapeutic interactome, suggesting that R. communis likely modulates IOL by perturbing these specific biological nodes rather than acting on a single pathway. The complete list of these potential therapeutic targets is provided in Supplementary Table S4.<\/p>\n

PPI Network Topology and Hub Gene Identification via MCC Algorithm<\/em><\/strong><\/p>\n

To decipher the functional hierarchy within the 112 therapeutic targets, a Protein-Protein Interaction (PPI) network was constructed. Understanding the topology of this network is crucial for identifying key regulatory proteins (“hubs”) that maintain network stability and signal transduction.<\/p>\n

The topological analysis was performed using the Cyto-Hubba plugin in Cytoscape. While various centrality measures exist (e.g., Degree, Betweenness), the Maximal Clique Centrality (MCC) algorithm was selected for this study. MCC has been demonstrated to possess superior accuracy in predicting essential proteins within complex biological networks compared to other centrality metrics. Based on the MCC scoring, the top 20 hub genes were extracted (Figure 1). These high-scoring nodes likely represent the primary signalling mediators through which R. communis<\/em> exerts its uterotonic effects.<\/p>\n

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Figure 1.<\/strong><\/em> Top 20 Hub genes as per MCC.<\/p>\n

Construction of the Compound-Target-Disease (C-T-D) Network<\/em><\/strong><\/p>\n

To visualize the multi-scale therapeutic mechanisms, a holistic Compound-Target-Disease (C-T-D) network was generated using Cytoscape. The resulting network consists of 9 nodes and 36 edges as shown in figure 2, delineating the complex interactions between the active constituents (e.g., Ricinoleic acid, alpha-pinene, etc.) and the identified hub targets.<\/p>\n

\"\"<\/p>\n

Figure 2.<\/strong><\/em> Network constructed using cytoscape.<\/p>\n

The network topology reveals a dense connectivity pattern, confirming the “multi-component, multi-target, multi-pathway” mechanism of R. communis. This visualization provides a systemic rationale for the traditional use of Castor oil, highlighting how multiple phytochemicals synergistically modulate a specific subset of labor-associated genes.<\/p>\n

Molecular docking<\/em><\/strong><\/p>\n

To structurally validate the interactions predicted by the network pharmacology analysis, molecular docking studies were conducted on the two key phytoconstituents, Palmitic acid and Oleic acid structure shown in figure 3, against a prioritized panel of ten targets involved in the inflammatory signalling of parturition as shown in Table 3<\/a> and structures displayed in figure 4. The docking analysis focused on verifying binding affinities with the high-degree hub genes identified in the PPI network, specifically PTGS2 (COX-2), MMP9, IL6, and the NF-\u03baB complex (p50 and I\u03baB\u03b1).<\/p>\n

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Figure 3.<\/strong><\/em> Structures of phytochemicals.<\/p>\n

\"\"<\/p>\n

Figure 4.<\/strong><\/em> Structures of target proteins.<\/p>\n

The simulation results as shown in Table 4<\/a> indicated that both Palmitic and Oleic acid fit favourably within the active pockets of the cyclooxygenase enzymes (COX-1 and COX-2), which are the rate-limiting enzymes in the arachidonic acid pathway responsible for synthesizing prostaglandins (PGE2 and PGF2\u03b1)\u2014the primary mediators of uterine contraction. Furthermore, favourable binding was observed with MMP-9, an enzyme critical for collagen degradation during cervical ripening, and with the NF-\u03baB signalling components, which serve as the master transcriptional regulators of the inflammatory cascade. By physically interacting with these targets, the identified fatty acids may modulate the downstream expression of pro-labor cytokines (IL-6, IL-8) and chemokines (CCR2), thereby mechanically triggering the transition from uterine quiescence to active labor.<\/p>\n

Discussion<\/strong><\/h5>\n

The contemporary landscape of drug discovery is undergoing a paradigm shift, moving away from the high-attrition bench-to-bedside model toward “Reverse Pharmacology. This transdisciplinary approach validates time-tested clinical remedies through rigorous mechanistic study, effectively inverting the conventional path to decode the pharmacodynamic basis of traditional medicines\u00b9\u2079.The present study adopts this framework to investigate Ricinus communis<\/em> L. (Castor oil), a formulation historically entrenched in obstetric practice for induction of labor (IOL). While clinical meta-analyses have substantiated its efficacy, the molecular black box specifically how a complex lipid mixture orchestrates the precise physiological cascade of parturition has remained obscure. Our findings suggest that Castor oil does not act through a solitary pathway but rather functions as a poly-pharmacological agent, modulating a synchronized inflammatory network to break uterine quiescence.<\/p>\n

Pharmacokinetic Profiling and Druggability A critical prerequisite for any oral uterotonic agent is its ability to bypass gastrointestinal degradation and achieve therapeutic systemic concentrations. Our in silico<\/em> pharmacokinetic profiling subjected the phytochemical profile of Ricinus communis<\/em> to rigorous ADME (Absorption, Distribution, Metabolism, and Excretion) screening. Of the nine primary phytoconstituents identified, eight\u2014including Ricinine, Stearic acid, Ricinoleic acid, and Oleic acid\u2014demonstrated a bioavailability score >0.55. These compounds adhered strictly to Lipinski\u2019s Rule of Five, a gold-standard filter for drug-likeness, which predicts oral bioavailability based on physicochemical stability (e.g., molecular weight <500 Da, LogP <5, and hydrogen bonding capacity)\u00b2\u2070.<\/p>\n

The exclusion of Corilagin due to poor bioavailability highlights the selectivity of our screening process. Importantly, while Ricinoleic acid has traditionally monopolized scientific attention due to its action on intestinal EP3 receptors, our network topology analysis revealed that common dietary fatty acids, specifically Palmitic acid and Oleic acid, act as critical hub compounds. This suggests that the labor-inducing potential of Castor oil is not solely dependent on a single unique compound but relies on the synergistic systemic action of its lipid profile.<\/p>\n

The Inflammation Hypothesis of Labor Physiologically, the transition from pregnancy to labor is increasingly understood as a sterile inflammatory event. The quiescent uterus is maintained by progesterone, while the onset of labor is characterized by an influx of leukocytes and a surge in pro-inflammatory cytokines\u00b2\u00b9. Our network pharmacology analysis strongly corroborates this inflammation hypothesis. The construction of a Compound-Target-Disease (C-T-D) network revealed 112 common targets, with hub gene analysis identifying NF-\u03baB1, IL6, PTGS2 (COX-2), and MMP9 as the central nodes. This indicates that Ricinus communis<\/em> initiates labor by amplifying these endogenous inflammatory signals, effectively tipping the balance from maintenance to expulsion.<\/p>\n

Mechanistic Pathways: The NF-\u03baB and TNF Axis The study identified the Tumour Necrosis Factor (TNF) and Nuclear Factor Kappa B (NF-\u03baB) signalling pathways as the primary mechanistic targets.<\/p>\n

    \n
  1. NF-\u03baB Modulation: The NF-\u03baB complex acts as the master transcriptional switch for inflammation in gestational tissues. During late pregnancy, its activation and nuclear translocation are prerequisites for the expression of “contraction-associated proteins” (CAPs), such as oxytocin receptors (OXTR) and gap junction proteins (Connexin-43)\u00b2\u00b2. Our docking data suggests that Palmitic and Oleic acids physically interact with the NF-\u03baB complex (p50\/I\u03baB\u03b1), potentially preventing its inhibition or promoting its activation, thereby driving the transcription of pro-labor cytokines.<\/li>\n
  2. TNF Signalling: TNF-\u03b1 is a pivotal cytokine that rises naturally in the amnion and myometrium at term. It functions as a paracrine signal that promotes leukocyte infiltration and upregulates prostaglandin synthesis\u00b2\u00b3, By targeting the TNF signalling pathway, Castor oil constituents likely mimic physiological stress signals, creating a feed-forward loop that accelerates the inflammatory transition required for labor onset\u00b2\u2074.<\/li>\n<\/ol>\n

    Dual Action: Prostaglandin Synthesis and Cervical remodelling the transition to labor requires two coordinated physical changes: uterine contractility and cervical softening. Our molecular docking results provide a structural basis for this dual action.<\/p>\n

      \n
    1. Chemical Trigger (PTGS2\/COX-2): The docking simulation revealed favorable binding of active lipids to Cyclooxygenase-2 (PTGS2). COX-2 is the rate-limiting enzyme that converts arachidonic acid into prostaglandins (PGE2 and PGF2\u03b1). These prostaglandins are potent uterotonics that directly stimulate myometrial contractions.<\/li>\n
    2. Mechanical Preparation (MMP-9): Concurrently, the study highlighted Matrix Metallopeptidase 9 (MMP-9) as a key target. MMP-9 is a collagenase responsible for degrading the extracellular matrix of the cervix.\u00b2\u2075 Its modulation implies that Castor oil facilitates cervical ripening\u2014the process of softening and effacement\u2014which is clinically critical for successful vaginal delivery.<\/li>\n<\/ol>\n
      Conclusion<\/strong><\/h5>\n

      This study utilizes computational biology to validate the ethnomedicinal application of Ricinus communis<\/em>. The mechanism of action is defined by a “multi-component, multi-target” synergy, where bioactive fatty acids (Palmitic and Oleic) modulate the NF-\u03baB and TNF pathways. This modulation appears to trigger a cascade that upregulates prostaglandins and activates cervical collagenases, effectively orchestrating the complex physiological transition to active labor. These findings provide a robust molecular rationale for the clinical use of Castor oil and warrant further validation through high-resolution metabolomics and in vivo<\/em> models\u00b2\u2076.<\/p>\n

      Limitations and Future Scope<\/em><\/strong><\/p>\n

      Given the complexity of the molecular interactions, future work will involve high-resolution LC\u2013MS analysis to quantify the proportion of active phytoconstituents, followed by systematic docking and molecular dynamics simulations. These advanced analyses remain beyond the scope of the current study. Future studies can be undertaken to assess the toxicity and cellular absorption related data of the use of castor oil in induction of labor.<\/p>\n

      Abbreviations:<\/strong><\/p>\n

      ACTH: Adrenocorticotropic Hormone<\/p>\n

      ADME: Absorption, Distribution, Metabolism, and Excretion<\/p>\n

      CASP3: Caspase 3<\/p>\n

      CCL2: C-C Motif Chemokine Ligand 2<\/p>\n

      CXCL8: C-X-C Motif Chemokine Ligand 8<\/p>\n

      GIT: Gastrointestinal Tract<\/p>\n

      GO: Gene Ontology<\/p>\n

      HIA: Human Gastrointestinal Absorption<\/p>\n

      HR-LCMS: High-Resolution Liquid Chromatography-Mass Spectrometry<\/p>\n

      IL6: Interleukin 6<\/p>\n

      IMPPAT: Indian Medicinal Plants, Phytochemistry, and Therapeutics<\/p>\n

      IOL: Induction of Labor<\/p>\n

      JUN: Jun Proto-Oncogene<\/p>\n

      KEGG: Kyoto Encyclopedia of Genes and Genomes<\/p>\n

      MCC: Maximal Clique Centrality (cytoHubba method)<\/p>\n

      MMP9: Matrix Metallopeptidase 9<\/p>\n

      NF-\u03baB: Nuclear Factor Kappa B<\/p>\n

      NFKBIA: NFKB Inhibitor Alpha<\/p>\n

      PPI: Protein-Protein Interaction<\/p>\n

      PTGS2: Prostaglandin-Endoperoxide Synthase 2<\/p>\n

      SMILES: Simplified Molecular-Input Line-Entry System<\/p>\n

      TNF: Tumour Necrosis Factor<\/p>\n

      \u00a0<\/em><\/strong>Financial Support<\/strong><\/h5>\n

      This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.<\/p>\n

      Conflict of Interest<\/strong><\/h5>\n

      Nil<\/p>\n

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        Sanika Aphale, Sumedh Joshi, Swati Gaikwad, Meenakshi Pandey, Sujata Kadam<\/p>\n

        \"\"<\/a><\/p>\n

        Background: Seed Oil of herb Ricinus communis L. (commonly known as castor oil or Eranda Taila in sanskrit) has traditionally been used to induce labor. However, its mode of action as well as underlying molecular mechanisms remain unclear. In alignment with the principles of reverse pharmacology …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1400],"tags":[1409,1410,794,1412,1411],"class_list":["post-4457","post","type-post","status-publish","format-standard","hentry","category-2026-volume-25-issue-3","tag-castor-oil","tag-in-silico","tag-labor-induction","tag-nf-b","tag-ricinus-communis"],"_links":{"self":[{"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/posts\/4457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hjog.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4457"}],"version-history":[{"count":6,"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/posts\/4457\/revisions"}],"predecessor-version":[{"id":4488,"href":"https:\/\/hjog.org\/index.php?rest_route=\/wp\/v2\/posts\/4457\/revisions\/4488"}],"wp:attachment":[{"href":"https:\/\/hjog.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hjog.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hjog.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}