"Aerva lanata" OR "valproic acid" AND "chick embryo"

"valproic acid"[MeSH Terms] AND "teratogenicity" AND "chick embryo"

"Aerva lanata" AND (antioxidant OR anticonvulsant OR phytochemical)

mkdir -p /tmp/workspace/synopsis && ls -la /tmp/workspace/synopsis

cat > /tmp/workspace/synopsis/make.py <<'EOF' from docx import Document from docx.shared import Pt, Inches, RGBColor from docx.enum.text import WD_ALIGN_PARAGRAPH from docx.enum.table import WD_TABLE_ALIGNMENT from docx.oxml.ns import qn from docx.oxml import OxmlElement doc = Document() for s in doc.sections: s.left_margin = s.right_margin = Inches(1) s.top_margin = s.bottom_margin = Inches(1) st = doc.styles["Normal"] st.font.name = "Times New Roman" st.element.rPr.rFonts.set(qn("w:eastAsia"), "Times New Roman") st.font.size = Pt(12) st.paragraph_format.space_after = Pt(6) st.paragraph_format.line_spacing = 1.15 for name, size in (("Heading 1", 14), ("Heading 2", 12)): h = doc.styles[name] h.font.name = "Times New Roman" h.element.rPr.rFonts.set(qn("w:eastAsia"), "Times New Roman") h.element.rPr.rFonts.set(qn("w:ascii"), "Times New Roman") h.element.rPr.rFonts.set(qn("w:hAnsi"), "Times New Roman") h.font.size = Pt(size) h.font.bold = True h.font.color.rgb = RGBColor(0, 0, 0) h.paragraph_format.space_before = Pt(12) h.paragraph_format.space_after = Pt(4) def para(text, bold=False, italic=False, align=None): p = doc.add_paragraph() r = p.add_run(text); r.bold = bold; r.italic = italic if align: p.alignment = align else: p.alignment = WD_ALIGN_PARAGRAPH.JUSTIFY return p def bullets(items): for i in items: p = doc.add_paragraph(style="List Bullet") p.alignment = WD_ALIGN_PARAGRAPH.JUSTIFY p.add_run(i) def numbered(items): for i in items: p = doc.add_paragraph(style="List Number") p.alignment = WD_ALIGN_PARAGRAPH.JUSTIFY p.add_run(i) def shade(cell, color="D9D9D9"): tcPr = cell._tc.get_or_add_tcPr() shd = OxmlElement("w:shd") shd.set(qn("w:val"), "clear"); shd.set(qn("w:color"), "auto"); shd.set(qn("w:fill"), color) tcPr.append(shd) def table(header, rows, widths=None): t = doc.add_table(rows=1, cols=len(header)) t.style = "Table Grid" t.alignment = WD_TABLE_ALIGNMENT.CENTER for i, h in enumerate(header): c = t.rows[0].cells[i]; c.text = "" r = c.paragraphs[0].add_run(h); r.bold = True; r.font.size = Pt(11) shade(c) for row in rows: cells = t.add_row().cells for i, v in enumerate(row): cells[i].text = "" r = cells[i].paragraphs[0].add_run(v); r.font.size = Pt(11) if widths: for row in t.rows: for i, w in enumerate(widths): row.cells[i].width = Inches(w) doc.add_paragraph() # Title p = para("SYNOPSIS OF RESEARCH PROJECT", bold=True, align=WD_ALIGN_PARAGRAPH.CENTER) p.runs[0].font.size = Pt(14) p = para("Protective Effect of Aerva lanata Extract Against Valproate-Induced Teratogenicity in the Chick Embryo (In Ovo) and Its Effects on Valproate Anticonvulsant Activity in Mice", bold=True, align=WD_ALIGN_PARAGRAPH.CENTER) table(["Item", "Details"], [ ["Name of the candidate", "[to be filled]"], ["Guide / Co-guide", "[to be filled]"], ["Department", "Pharmacology"], ["Institution", "[to be filled]"], ["Study design", "Experimental (in ovo chick embryo model and in vivo mouse seizure models)"], ["Duration of study", "[to be filled]"], ], widths=[2.0, 4.5]) doc.add_heading("1. Introduction and Need for the Study", 1) para("Sodium valproate (VPA) is a broad-spectrum antiepileptic drug used in generalized and focal epilepsies, bipolar disorder and migraine prophylaxis. It is, however, one of the most teratogenic antiepileptic drugs. First-trimester exposure is associated with neural tube defects (reported rates of about 3 to 5%), craniofacial anomalies, limb malformations and cardiac defects, and prenatal exposure is linked to lower IQ and neurodevelopmental disorders (Kaplan & Sadock's Comprehensive Textbook of Psychiatry, Mood Stabilizers; Emery's Elements of Medical Genetics and Genomics, Maternal Epilepsy). Goodman & Gilman's The Pharmacological Basis of Therapeutics also lists valproate among the antiepileptic drugs with established teratogenic effects.") para("Proposed mechanisms of VPA teratogenicity include histone deacetylase inhibition, disturbed folate metabolism, altered Hox/Pax gene expression and oxidative stress with depletion of glutathione. Antioxidants such as resveratrol and vitamin E have been reported to reduce VPA-induced teratogenicity in the chick embryo (PMID 24471772), while folic acid supplementation gave inconsistent protection (PMIDs 22246336, 31376429).") para("Many women with epilepsy cannot stop VPA during pregnancy because of the risk of seizure relapse. A safe adjunct that reduces fetal malformations without weakening seizure control would therefore be clinically useful. Aerva lanata (Linn.) Juss. ex Schult. (Amaranthaceae; Sanskrit: Gorakshaganja, Pashanabheda) is a traditional medicinal herb that contains flavonoids, phenolic acids and alkaloids. Extracts have shown antioxidant, anti-inflammatory and hepatoprotective activity (PMIDs 34201147, 23375030, 21783628). Its protective effect against VPA teratogenicity, and whether it alters VPA anticonvulsant activity, has not been established. This study addresses both questions.") doc.add_heading("2. Review of Literature (Key Points)", 1) bullets([ "The chick embryo (in ovo) is an accepted, low-cost, rapid screening model for teratogenicity. VPA produces dose-dependent reduction in survival, neural tube and axial skeletal defects, and somite abnormalities in the chick (PMIDs 12353211, 8948545, 25842554).", "VPA-induced teratogenicity in chick is associated with reactive oxygen species generation and glutathione depletion, and is attenuated by antioxidants (PMID 24471772).", "Aerva lanata extracts show free radical scavenging, metal chelating and anti-inflammatory activity in vitro, and protect the liver against CCl4 toxicity in rats (PMIDs 34201147, 23375030, 21783628).", "No study found in the PubMed search addresses Aerva lanata with VPA teratogenicity or VPA anticonvulsant interaction. This is the research gap. (Literature search to be repeated and extended by the candidate before submission.)", ]) doc.add_heading("3. Aim and Objectives", 1) para("Aim: ", bold=True).add_run("To evaluate the protective effect of Aerva lanata extract against valproate-induced teratogenicity in chick embryo and its influence on the anticonvulsant activity of valproate in mice.").bold = False para("Objectives:", bold=True) numbered([ "To prepare and standardize the Aerva lanata extract (yield, preliminary phytochemical screening, total phenolic and flavonoid content).", "To assess the acute oral toxicity of the extract in mice and select test doses.", "To study the effect of the extract on VPA-induced teratogenicity in chick embryo (survival, morphology, skeletal and histological changes, oxidative stress markers).", "To study the effect of the extract on the anticonvulsant activity of VPA in the maximal electroshock (MES) and pentylenetetrazole (PTZ) models in mice.", ]) doc.add_heading("4. Hypothesis", 1) para("Null hypothesis (H0): Aerva lanata extract does not reduce VPA-induced teratogenicity in chick embryo and does not alter VPA anticonvulsant activity in mice.") para("Alternative hypothesis (H1): Aerva lanata extract reduces VPA-induced teratogenicity in chick embryo without reducing VPA anticonvulsant activity in mice.") doc.add_heading("5. Materials and Methods", 1) doc.add_heading("5.1 Study design and setting", 2) para("Experimental study in two parts: Part A (in ovo chick embryo teratogenicity) and Part B (anticonvulsant interaction in mice), conducted in the Department of Pharmacology after approval by the Institutional Animal Ethics Committee (IAEC), following CPCSEA guidelines.") doc.add_heading("5.2 Drugs and chemicals", 2) bullets([ "Sodium valproate (analytical or pharmaceutical grade); vehicle: normal saline.", "Aerva lanata whole plant (or aerial parts), collected and authenticated by a botanist; voucher specimen deposited.", "Reagents for oxidative stress assays (MDA/TBARS, reduced glutathione, SOD), alizarin red S and alcian blue for skeletal staining, formalin and H&E stains.", ]) doc.add_heading("5.3 Preparation of Aerva lanata extract", 2) numbered([ "Shade-dry the plant material and powder it (coarse powder).", "Extract by Soxhlet or maceration with ethanol (or hydroalcoholic solvent; final solvent to be decided with the guide).", "Concentrate under reduced pressure, dry, weigh and calculate percentage yield; store at 4 degrees C.", "Perform preliminary phytochemical screening (alkaloids, flavonoids, phenols, tannins, saponins, glycosides) and estimate total phenolic and flavonoid content.", "Suspend the extract in 0.5% carboxymethyl cellulose (or saline for in ovo use) before administration.", ]) doc.add_heading("5.4 Acute toxicity", 2) para("Acute oral toxicity of the extract will be done in mice as per OECD guideline 423. Two or three test doses (low and high; commonly 1/10th and 1/5th of the maximum tolerated dose) will be chosen from this study.") doc.add_heading("5.5 Part A: In ovo chick embryo teratogenicity model", 2) para("Animals: Fertilized White Leghorn hen eggs of uniform weight, obtained from a certified hatchery. Eggs are incubated at 37.5 +/- 0.5 degrees C and 60 to 70% relative humidity in a forced-air incubator with periodic turning.") para("Procedure:", bold=True) numbered([ "Candle and discard infertile or cracked eggs. Randomly allocate eggs into groups (Table 1). Day 0 is the start of incubation.", "At the neurulation stage (about 24 to 48 hours of incubation; exact day to be fixed in a pilot study), clean the shell with 70% alcohol and make a small window or inject through the air sac or beneath the blastoderm under aseptic conditions.", "Administer the vehicle, VPA (dose fixed by pilot dose-ranging to give a significant malformation rate with acceptable survival), and extract at the selected doses per egg as per group. The extract is given before or together with VPA as decided in the pilot.", "Seal the opening with sterile paraffin or tape and return eggs to the incubator.", "Candle the eggs daily to record viability. Terminate the embryos at a fixed day (for example day 10 or day 14) or allow the remainder to hatch and record the hatching rate.", "Remove embryos, rinse in saline and examine under a stereomicroscope.", ]) para("Table 1. Proposed groups for Part A (n = 10 to 12 eggs per group, final number after pilot)", bold=True, align=WD_ALIGN_PARAGRAPH.LEFT) table(["Group", "Treatment"], [ ["I", "Normal control (no injection)"], ["II", "Vehicle control (saline / CMC)"], ["III", "VPA alone (teratogenic dose)"], ["IV", "VPA + Aerva lanata extract, low dose"], ["V", "VPA + Aerva lanata extract, high dose"], ["VI", "VPA + standard protective agent (folic acid or vitamin E; positive control)"], ["VII", "Aerva lanata extract per se (high dose)"], ], widths=[1.0, 5.5]) para("Parameters:", bold=True) bullets([ "Survival rate (percent viable embryos) and hatching rate.", "Morphometry: embryo weight, crown-rump length, beak and limb length.", "Gross malformations: neural tube defects, curved or kinked trunk, exencephaly, micro-ophthalmia, limb and craniofacial anomalies; malformation rate per group.", "Skeletal staining with alizarin red S and alcian blue for ossification and axial skeleton defects.", "Histopathology (H&E) of neural tube or brain and other relevant tissues.", "Oxidative stress markers in embryo homogenate: MDA (TBARS), reduced glutathione and SOD.", ]) doc.add_heading("5.6 Part B: Effect on VPA anticonvulsant activity in mice", 2) para("Animals: Healthy Swiss albino mice of either sex (20 to 25 g), housed under standard conditions (12 hour light/dark cycle, 22 +/- 2 degrees C) with free access to food and water. Animals are acclimatized for 7 days. Each animal is used once.") para("Models:", bold=True) bullets([ "Maximal electroshock (MES): supramaximal electroshock (for example 50 mA, 0.2 second, through corneal or auricular electrodes). Abolition of hind limb tonic extension (HLTE) is the endpoint of protection; duration of HLTE is also recorded.", "Pentylenetetrazole (PTZ): PTZ (about 85 mg/kg, subcutaneous; dose confirmed in pilot) is injected. Latency to first myoclonic jerk, onset and duration of generalized clonic seizure, and mortality are recorded over 30 minutes.", "Neurotoxicity: rotarod performance test to rule out motor impairment.", ]) para("Procedure: Test drugs are given 30 to 60 minutes before seizure induction (VPA intraperitoneal, extract orally; time of peak effect to be confirmed in a pilot). The extract is given for a fixed pre-treatment period (for example 7 days) and VPA is given on the test day. The observer is blinded to group allocation.") para("Table 2. Proposed groups for Part B (n = 6 per group, separate sets for MES and PTZ)", bold=True, align=WD_ALIGN_PARAGRAPH.LEFT) table(["Group", "Treatment"], [ ["I", "Vehicle control"], ["II", "VPA alone (sub-maximal or ED50 dose, determined in pilot)"], ["III", "Aerva lanata extract alone (high dose)"], ["IV", "VPA + extract, low dose"], ["V", "VPA + extract, high dose"], ], widths=[1.0, 5.5]) para("Interpretation: If the extract does not reduce the protection offered by VPA (percent protection, HLTE duration, PTZ latency), it does not interfere with the anticonvulsant effect. Increased protection would suggest synergism; reduced protection would suggest antagonism.") doc.add_heading("5.7 Sample size", 2) para("Group sizes are based on previous published work with these models and on the 3Rs principle. The final number will be justified by a pilot study and the guide's advice. For Part B the minimum is n = 6 per group.") doc.add_heading("5.8 Statistical analysis", 2) para("Continuous data are expressed as mean +/- SEM and analysed by one-way ANOVA followed by Tukey or Dunnett post hoc test. Quantal data (malformation rate, protection, mortality) are analysed by Chi-square or Fisher's exact test. A p value below 0.05 is considered significant. Software: GraphPad Prism or SPSS.") doc.add_heading("5.9 Inclusion and exclusion criteria", 2) bullets([ "Inclusion: fertile, uniform-weight eggs; healthy adult mice of the specified weight.", "Exclusion: cracked or contaminated eggs, embryos dying within 24 hours of the procedure due to handling; mice showing abnormal behaviour or illness before the experiment.", ]) doc.add_heading("6. Ethical Considerations", 1) para("The protocol will be submitted to the IAEC for approval before starting. Animals will be handled humanely under CPCSEA guidelines and euthanized by an approved method at the end of the study. Chick embryos are used within the early incubation period, in line with the 3Rs principle (replacement and reduction).") doc.add_heading("7. Expected Outcome", 1) para("The study is expected to show whether Aerva lanata extract reduces VPA-induced malformations and oxidative stress in chick embryo, and whether it leaves the anticonvulsant action of VPA intact in mice. A positive result would support further work on mammalian teratogenicity models and on the active constituents.") doc.add_heading("8. Work Plan (Tentative)", 1) table(["Phase", "Activity"], [ ["Month 1", "Literature review, IAEC approval, plant collection, authentication and extraction"], ["Month 2", "Phytochemical screening, acute toxicity, pilot studies (VPA dose in ovo, seizure models)"], ["Months 3 to 4", "Part A: chick embryo experiments and assessments"], ["Months 5 to 6", "Part B: MES and PTZ experiments in mice"], ["Month 7", "Biochemical and histological analysis"], ["Months 8 to 9", "Statistical analysis, thesis writing and submission"], ], widths=[1.5, 5.0]) doc.add_heading("9. References", 1) refs = [ "Kaplan & Sadock's Comprehensive Textbook of Psychiatry. Mood Stabilizers (valproate and birth defects).", "Emery's Elements of Medical Genetics and Genomics. Maternal Epilepsy (fetal valproate syndrome).", "Goodman & Gilman's The Pharmacological Basis of Therapeutics. Antiseizure drugs, Teratogenicity.", "Whitsel AI, Johnson CB, Forehand CJ. An in ovo chicken model to study the systemic and localized teratogenic effects of valproic acid. Teratology. 2002. PMID 12353211.", "Barnes GL, Mariani BD, Tuan RS. Valproic acid-induced somite teratogenesis in the chick embryo: relationship with Pax-1 gene expression. Teratology. 1996. PMID 8948545.", "Hsieh CL, Chen KC, Lin PX, et al. Resveratrol and vitamin E rescue valproic acid-induced teratogenicity: the mechanism of action. Clin Exp Pharmacol Physiol. 2014. PMID 24471772.", "Umur AS, Selcuki M, Bursali A, et al. Simultaneous folate intake may prevent adverse effect of valproic acid on neurulating nervous system. Childs Nerv Syst. 2012. PMID 22246336.", "Turgut U, Kazan S, Cakin H. Valproic acid effect on neural tube defects is not prevented by concomitant folic acid supplementation: early chick embryo model pilot study. Int J Dev Neurosci. 2019. PMID 31376429.", "Akhtar L, Khan MY, Minhas LA. The effect of prenatal administration of valproic acid on the survivability and day of hatching of chick embryo. J Pak Med Assoc. 2015. PMID 25842554.", "Pieczykolan A, Pietrzak W, Gawlik-Dziki U, et al. Antioxidant, anti-inflammatory, and anti-diabetic activity of phenolic acids fractions obtained from Aerva lanata (L.) Juss. Molecules. 2021. PMID 34201147.", "Kumar G, Karthik L, Rao KVB. Phytochemical composition and in vitro antioxidant activity of aqueous extract of Aerva lanata stem. Asian Pac J Trop Med. 2013. PMID 23375030.", "Nevin KG, Vijayammal PL. Effect of Aerva lanata against hepatotoxicity of carbon tetrachloride in rats. Environ Toxicol Pharmacol. 2005. PMID 21783628.", "OECD Guideline 423: Acute Oral Toxicity, Acute Toxic Class Method.", "CPCSEA guidelines for laboratory animal facility and experiments on animals, India.", ] numbered(refs) # restart numbering issue: use manual numbering for refs? keep simple doc.save("/tmp/workspace/synopsis/Synopsis_Aerva_lanata_Valproate_Teratogenicity.docx") EOF python3 /tmp/workspace/synopsis/make.py && python3 -c " from docx import Document d=Document('/tmp/workspace/synopsis/Synopsis_Aerva_lanata_Valproate_Teratogenicity.docx') print(len(d.paragraphs), len(d.tables))"

cd /tmp/workspace/synopsis && python3 - <<'EOF' s=open('make.py').read() old='''def numbered(items): for i in items: p = doc.add_paragraph(style="List Number") p.alignment = WD_ALIGN_PARAGRAPH.JUSTIFY p.add_run(i)''' new='''def numbered(items): for n, i in enumerate(items, 1): p = doc.add_paragraph() p.alignment = WD_ALIGN_PARAGRAPH.JUSTIFY p.paragraph_format.left_indent = Inches(0.4) p.paragraph_format.first_line_indent = Inches(-0.3) p.add_run(f"{n}. " + i)''' assert old in s open('make.py','w').write(s.replace(old,new)) EOF python3 make.py && python3 -c " from docx import Document d=Document('Synopsis_Aerva_lanata_Valproate_Teratogenicity.docx') for p in d.paragraphs[:25]: print(p.text[:90]) import re t=' '.join(p.text for p in d.paragraphs) print('dash' , '—' in t, '–' in t)"; ls -la