8 articles for “luteinizing hormone”

Set a search alert

Research ArticleOpen accessPhrase in the titleA Computer Simulation Model for Automated Quantification of Luteinizing Hormone SecretionAyman Al-Nsour, Hamza A. Ali, Buthynna Al-Dulaimi, Wisam H. Al-SewadiProblem statement: An automated software package is developed for quantifying Luteinizing Hormone (LH) release from pituitary gonadotropes in response to short pulses of Gonadotropin-Releasing Hormone (GnRH). Approach: These computer programs were designed to accommodate the release mechanism that consists of three stages, namely; (1) Production of different concentrations of effectors (such as receptor-hormone binds, G protein interactions, inositol 1,4,5-trisphosphate IP3), … …Journal of Computer Science, Vol. 5, Issue 6 · 30 Jun 2009 · 6,938 accessesView PDF Cite

Research ArticleOpen accessPhrase in the titleMolecular Detection of Follicle Stimulating Hormone Receptor Polymorphisms and Luteinizing Hormone Gene Variations in Primary and Secondary Iraqi Infertile WomenNoor Basim Naser, Dr. Ezeddin Atia Albayyar, Dr. Susan Abed ZaidanThe current study aimed to determine the role of hormonal disturbances in infertility, moreover assessing variations at the molecular level that could affect this disease. The study examined 90 blood samples, 30 patients with primary infertility, 30 patients with secondary infertility and 30 healthy women as control. FSH and LH were measured using Electrochemiluminescence assay. DNA was isolated for molecular … …OnLine Journal of Biological Sciences, Vol. 18, Issue 4 · 15 Nov 2018 · 7,553 accessesView PDF Cite

Research NotesOpen accessIn the keywordsAdvance in the Diagnostics of Mare Pregnancy and Assessing the Activity of Gonadotropin in Serum of in-Foal MareKaliya Kudaikulovna Yerkekulova, Nuradin Alibayev, Yusupzhan Artykovich Yuldashbayev et al.Research works on the improvement of mare pregnancy diagnostics and evaluation of biological activity of gonadotropic preparation based on the use of enzyme-linked immunosorbent assay were carried out. As the result of diagnostics and evaluation, effective producers as donors for obtaining gonadotropic preparation among the Kazakh population of mares with type “zhabe”, the animal units of 60 days with their … …OnLine Journal of Biological Sciences, Vol. 24, Issue 3 · 7 Mar 2024 · 4,828 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsEfficacy Assessment of Kaempferia parviflora for the Management of Erectile DysfunctionPanakaporn Wannanon, Jintanaporn Wattanathorn, Terdthai Tong-Un et al.Age-related decline in erectile function is a noted phenomenon worldwide. A variety of medicinal plants have been identified as having strong aphrodisiac properties along with the ability to improve erectile functioning. Kaempferia Parviflora (KP) has famous as a Thai Viagra and use it to increase male impotency. However, there is limited scientific evidence regarding the efficacy of this herb on … …OnLine Journal of Biological Sciences, Vol. 12, Issue 4 · 4 Feb 2013 · 19,852 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsVitamin E Mitigates Chronic Chlorpyrifos-Induced Oxidative Changes in Pituitary Glands and Testes in Wistar RatsM. Shittu, J. O. Ayo, S. F. Ambali et al.Problem statement: The sperm counts of men have declined by about 50% in the last few decades. The contribution of environmental contaminants to this decline cannot be overemphasized. Pesticide is one of the most pervasive environmental chemical contaminants that have been of increased use due to the compelling need to feed the ever-growing world human and animal population and protect … …American Journal of Applied Sciences, Vol. 9, Issue 1 · 19 Nov 2011 · 7,309 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffect of Cell Phone-Emitted Electromagnetic Waves on Levels of Male Sex Hormones and Oxidative Stress Biomarkers in HumansAbdelgawad Fahmi, Amal Saad-Hussein, Khadiga S Ibrahim et al.Cell phones emit Electromagnetic Waves (EMWs) that may have adverse effects on human health. The study aimed to investigate some possible health impacts associated with cell phone-derived EMWs on male sex hormones and oxidative stress biomarkers. One-hundred recruited male volunteers were classified into two equal groups; group 1 who used mobile phones less than one hour per day for less … …OnLine Journal of Biological Sciences, Vol. 21, Issue 3 · 16 Aug 2021 · 6,822 accessesView PDF Cite

Research ArticleOpen accessIn the abstractOxidative Stress and Reproductive Damage Induced by Lead Acetate in Female Guinea Pig (Cavia porcellus): Curative Effects of Hydroethanolic Extract of Spirulina platensisDeutcheu Nienga Sorelle, Ngoula Ferdinand, Manfo Tsague Faustin Pascal et al.This study was aimed at evaluating the curative effects of Hydroethanolic Extract Of Spirulina platensis (HESP) on the reproductive function of female Guinea pig exposed to oxidative stress. Sixty females, 3-4 months old, weighing 300-400 g were divided into six groups (10 animals/group). The neutral control received distilled water, the negative control was treated with lead acetate at a dose … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 1 · 8 Apr 2019 · 7,422 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAMELIORATIVE EFFECT OF HIBISCUS SABDARIFFA LINN ON SUBCHRONIC CHLORPYRIFOS-INDUCED ALTERATIONS IN SEX AND THYROID HORMONES IN MALE WISTAR RATSShittu Muftau, Olatunji Omobolanle Aisha, Suleiman Folorunsho Ambali et al.Studies have shown that Chlorpyrifos (CPF), an Organophosphate (OP) insecticide alters both sex and thyroid hormones. Apart from inhibiting Acetylcholinesterase (AChE) activity, CPF has been shown to cause oxidative stress. The antioxidant potentials of many flavonoid-containing plants are increasingly being exploited in the therapy of many infectious and non-infectious diseases. Hibiscus Sabdariffa (HS) is one of the most widely used … …American Journal of Pharmacology and Toxicology, Vol. 9, Issue 1 · 20 Feb 2014 · 9,097 accessesView PDF Cite