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Fulltext Rare and Unique Case of Midline Anterior Arch of Atlas Non-formation Mimicking Jefferson Type 1 Fracture

Das S, Palaniandy K, Abu Bakar A, Idris Z, Abdullah JM

Cureus, 2020 Feb 03;12(2):e6850.
PMID: 32181085 DOI: 10.7759/cureus.6850

Cervical spine injuries are rare occurrences in children, especially the congenital anomalies of the atlas vertebra. Any injury involving the craniovertebral junction such as Jefferson fracture, is a valid cause for alarm due to the complex nature of the craniovertebral junction and the morbidity associated with it. We report the case of a 10-year-old male, who had failure of fusion of anterior arch of atlas due to the failure of formation of the anterior midline synchondrosis, and this mimicked a Jefferson fracture. If it was not for the peculiar absence of any corresponding evidence to suggest spinal injury, we might have mistaken this extremely rare but benign anomaly for a Jefferson fracture and subjected the patient to needless surgical treatment. Hence, it is concluded that keen clinical acumen and clear understanding of the developmental anatomy of these patients may be necessary to adequately manage them.
Fulltext Functional Outcome of Modified Brostrom-Gould Procedure Using the PopLok Knotless Suture Anchor Technique in Lateral Ankle Instability

Bajuri MY, Daun E, Abdul Raof MH, Hassan MR, Das S

Cureus, 2019 Jun 22;11(6):e4971.
PMID: 31497416 DOI: 10.7759/cureus.4971

Introduction The modified Brostrom-Gould procedure is surgery to repair the lateral ligamentous complex of an ankle with chronic instability. A retrospective study was carried out among patients who had undergone this procedure at a medical center. Aim The aim of the study was to determine the mid-term functional outcome and rate of infection among patients who underwent the surgery using the PopLok® (CONMED, NY, US) Knotless Suture Anchor technique for lateral ankle instability. Methods Twenty patients who failed conservative treatment at the Universiti Kebangsaan Malaysia Medical Centre (UKMMC), Kuala Lumpur, and who were operated on by a single surgeon from January 2011 until March 2015 were selected to participate in this study. They were examined clinically both preoperatively and postoperatively and were also evaluated using the American Foot and Ankle Score (AOFAS) and the Visual Analogue Scale (VAS). The last review of the patients, for the purpose of this study, was done at one-year postoperatively. Results The patients' overall AOFAS and VAS scores improved postoperatively as compared to the preoperative period. Preoperatively, the mean AOFAS score was 63.5 while postoperatively, the score was 93.50 (excellent score 90 - 100). The mean VAS score was 8.00 preoperatively and improved to 1.00 postoperatively. There was also an absence of infection observed one-year post-surgery. Conclusion The modified Brostrom-Gould procedure using the PopLok® Knotless Suture Anchor technique provides an excellent middle-term functional outcome and a reduction in pain for patients who failed conservative treatment, with a very low rate of infection.
Emerging Trends On Drug Delivery Strategy of Momordica charantia against Diabetes and its Complications

Thent ZC, Das S, Zaidun NH

Curr Drug Deliv, 2018;15(4):453-460.
PMID: 28545355 DOI: 10.2174/1567201814666170525122224

BACKGROUND: The incidence of diabetes mellitus has increased drastically over the past few decades. This oxidant-antioxidant imbalance resulting in complication of diabetes mellitus includes macro- and microvascular complications. Resistance to conventional treatment and patient compliance has paved the way to the usage of effective natural products and supplements. Momordica charantia (bitter gourd) is widely consumed in many parts of Malaysia as a vegetable. Momordica charantia (MC) is mainly used in the management of diabetes mellitus.
OBJECTIVE: The present review discusses the literature concerning the antidiabetic and antioxidant properties of MC focusing on the complication of diabetes mellitus along with its mode of delivery. We found that among the whole part of MC, its fruit extract has been widely studied, therapeutically. The evidence based analysis of the beneficiary effects of MC on the different organs involved in diabetes complication is also highlighted. This review elucidated an essential understanding of MC based drug delivery system in both clinical and experimental studies and appraised the great potential of the protein based MC extract against diabetes mellitus.
CONCLUSION: The review paper is believed to assist the researchers and medical personnel in treating diabetic associated complications.
Anesthetic Molecule Interaction of Noble Gases with Proteins and Lipids and their Effect: A Review

Kundu SK, Chakraborty C, Yagihara S, Teoh SL, Das S

Curr Drug Deliv, 2018;15(10):1381-1392.
PMID: 30124152 DOI: 10.2174/1567201815666180820101255

Surgical operations are impossible without administering proper analgesia. Advancement in the field of anesthesia has invariably resulted in the accomplishment of all surgical processes without any inconvenience. Admittedly, the use of noble gas is on the decline. The noble gases may not interact chemically with any other substance under normal temperature and pressure but they may interact with proteins and lipids. Different anesthetic molecules may stimulate either proteins or lipids in membrane. There is a connection between the anesthetic molecules and the hydrophobic region of the membrane. In the present review, we attempt to highlight the interaction between the anesthetic molecule with proteins and lipids and their effects. We sketched few noble gases and some other existing molecules such as halothane and alcohol which interacted with proteins and lipids.
Editorial: novel agents in the treatment of osteoporosis and its complications

Shuid AN, Soelaiman IN, Das S

Curr Drug Targets, 2013 Dec;14(13):1523.
PMID: 24266612
Novel agents in the treatment of osteoporosis

Shuid AN, Ima Nirwana S, Das S

Curr Drug Targets, 2013 Dec;14(14):1631.
PMID: 24383964
Bone metabolism and histomorphometric changes in murine models treated with sclerostin antibody: a systematic review

Das S, Sakthiswary R

Curr Drug Targets, 2013 Dec;14(14):1667-74.
PMID: 24354585

Preventing osteoporotic fractures in millions of individuals may significantly reduce the associated morbidity and health-care expenditures incurred. As such, the search for newer anti-osteoporotic agents has been ongoing for years. Genetic studies have proven that the secreted protein sclerostin is one of the main culprits, which negatively regulates the bone formation. Recently, sclerostin-neutralizing monoclonal antibodies (Scl-Ab) in rodent studies have shown positive effects on bone homeostasis. An extensive search of the literature was performed in the BIOSIS, Cinahl, EMBASE, Pub- Med, Web of Science and Cochrane Library databases to evaluate the published murine studies on the effects of Scl-Ab on the bone metabolism and histomorphometric parameters. Our systematic review depicts a significant association between Scl-Ab administration and improvement in bone formation, bone density, bone volume and trabecular thickness.
The effects of TNF α antagonist therapy on bone metabolism in rheumatoid arthritis: a systematic review

Sakthiswary R, Das S

Curr Drug Targets, 2013 Dec;14(13):1552-7.
PMID: 23848441

Osteoporosis is a common complication observed in rheumatoid arthritis (RA). Accelerated bone loss is always a matter of concern. The pathogenesis of RA may be important for better understanding of the bone loss. The mechanism involved in the bone loss in RA is not well understood although cytokines such as interleukin 1 and tumour necrosis factor α (TNF α) have been strongly implicated. TNF α antagonists have revolutionised the treatment of RA in the recent years. Beyond the control of disease activity in RA, accumulating evidence suggests that this form of therapy may provide beneficial effects to the bone metabolism and remodeling. An extensive search of the literature was performed in the Medline, Scopus and EBSCO databases to evaluate the documented research on the effects of TNF α antagonists in RA on bone mineral density and bone turnover markers. The available data based on our systematic review, depict a significant association between TNF α antagonists treatment and suppression of bone resorption.
The Molecular Concept of Atheromatous Plaques

Thent ZC, Chakraborty C, Mahakkanukrauh P, Nik Ritza Kosai Nik Mahmood N, Rajan R, Das S

Curr Drug Targets, 2017;18(11):1250-1258.
PMID: 27138760 DOI: 10.2174/1389450117666160502151600

BACKGROUND: Recently, there are scientific attempts to discover new drugs in the biotechnology industry in order to treat various diseases including atherosclerosis.
OBJECTIVE: The main objective of the present review was to highlight the cellular, molecular biology and inflammatory process related to the atheromatous plaques.
METHODS: A thorough literature search of Pubmed, Google and Scopus databases was done.
RESULTS: Atherosclerosis is considered to be a leading cause of death throughout the world. Atherosclerosis involves oxidative damage to the cells with production of reactive oxygen species (ROS). Development of atheromatous plaques in the arterial wall is a common feature. Specific inflammatory markers pertaining to the arterial wall in atherosclerosis may be useful for both diagnosis and treatment. These include Nitric oxide (NO), cytokines, macrophage inhibiting factor (MIF), leucocytes and Pselectin. Modern therapeutic paradigms involving endothelial progenitor cells therapy, angiotensin II type-2 (AT<sub>2</sub>R) and ATP-activated purinergic receptor therapy are notable to mention.
CONCLUSION: Future drugs may be designed aiming three signalling mechanisms of AT<sub>2</sub>R which are (a) activation of protein phosphatases resulting in protein dephosphorylation (b) activation of bradykinin/nitric oxide/cyclic guanosine 3',5'-monophosphate pathway by vasodilation and (c) stimulation of phospholipase A(2) and release of arachidonic acid. Drugs may also be designed to act on ATP-activated purinergic receptor channel type P2X7 molecules which acts on cardiovascular system.
The Smart Programmable CRISPR Technology: A Next Generation Genome Editing Tool for Investigators

Chakraborty C, Teoh SL, Das S

Curr Drug Targets, 2017;18(14):1653-1663.
PMID: 27231109 DOI: 10.2174/1389450117666160527142321

BACKGROUND: The present era is fast experiencing rapid innovation in the genome-editing technology. CRISPR Cas9-mediated targeted genetic manipulation is an easy, cost-effective and scalable method. As a result, it can be used for a broad range of targeted genome engineering.
OBJECTIVE: The main objective of the present review is to highlight the structural signature, classification, its mechanism and application from basic science to medicine and future challenges for this genome editing tool kit.
RESULTS: The present review provides a brief description of the recent development of CRISPR-Cas9 genome editing technology. We discuss the paradigms shift for this next generation genome editing technology, CRISPR. The CRISPR structural significance, classification and its different applications are also being discussed. We portray the future challenges for this extraordinary genome in vivo editing tool. We also highlight the role of CRISPR genome editing in curing many diseases.
CONCLUSION: Scientists and researchers are constantly looking one genome editing tool that is competent, simple and low-cost assembly of nucleases. It can target any particular site without any off-target mutations in the genome. The CRISPR-Cas9 has all of the above characteristics. The genome engineering technology may be a strong and inspiring technology meant for the next generation of drug development.
The Emerging Role of the Hippo Pathway in Lung Cancers: Clinical Implications

Teoh SL, Das S

Curr Drug Targets, 2017 Nov 30;18(16):1880-1892.
PMID: 27628948 DOI: 10.2174/1389450117666160907153338

BACKGROUND: The incidence of lung cancers has increased globally. Increased exposure to tobacco, passive smoking, less consumption of vegetables and fruits and occupational exposure to asbestos, arsenic and chromium are the main risk factors. The pathophysiology of lung cancer is complex and not well understood. Various microRNAs, genes and pathways are associated with lung cancers. The genes involved in lung cancers produce proteins involved in cell growth, differentiation, different cell cycles, apoptosis, immune modulation, tumor spread and progression. The Hippo pathway (also known as the Salvador-Warts-Hippo pathway) is the latest emerging concept in cancers. The Hippo pathway plays an important role in controlling the size of the tissue and organ by virtue of its action on cell proliferation and apoptosis.
OBJECTIVE: In the present review, we highlight the mammalian Hippo pathway, role of its core members, its upstream regulators, downstream effectors and the resistance cases in lung cancers.
RESULTS: Specific interaction of Mer with cell surface hyaluronan receptor CD44 is vital in cell contact inhibition, thereby activating Hippo pathway. Both transcription co-activators YAP and TAZ (also known as WWTR1, being homologs of Drosophila Yki) are important regulators of proliferation and apoptosis, and serve as major downstream effectors of the Hippo pathway. Mutation of NF2, the upstream regulator of Hippo pathway is linked to the cancers.
CONCLUSION: Targeting YAP and TAZ may be important for future drug delivery and treatment.
The Neurobiology and Psychiatric Perspective of Vaginismus: Linking the Pharmacological and Psycho-Social Interventions

Kadir ZS, Sidi H, Kumar J, Das S, Midin M, Baharuddin N

Curr Drug Targets, 2018;19(8):916-926.
PMID: 28228081 DOI: 10.2174/1389450118666170222153908

Vaginismus is an involuntary muscle contraction of the outer third of vaginal barrel causing sexual penetration almost impossible. It is generally classified under sexual pain disorder (SPD). In Diagnostic and Statistical Manual, 5th edition (DSM-5), it is classified under the new rubric of Genito-Pelvic Pain/Sexual Penetration Disorder. This fear-avoidance condition poses an ongoing significant challenge to the medical and health professionals due to the very demanding needs in health care despite its unpredictable prognosis. The etiology of vaginismus is complex: through multiple biopsycho- social processes, involving bidirectional connections between pelvic-genital (local) and higher mental function (central regulation). It has robust neural and psychological-cognitive loop feedback involvement. The internal neural circuit involves an inter-play of at least two-pathway systems, i.e. both "quick threat assessment" of occipital-limbic-occipital-prefrontal-pelvic-genital; and the chronic pain pathways through the genito-spinothalamic-parietal-pre-frontal system, respectively. In this review, a neurobiology root of vaginismus is deliberated with the central role of an emotional-regulating amygdala, and other neural loop, i.e. hippocampus and neo-cortex in the core psychopathology of fear, disgust, and sexual avoidance. Many therapists view vaginismus as a neglected art-and-science which demands a better and deeper understanding on the clinico-pathological correlation to enhance an effective model for the bio-psycho-social treatment. As vaginismus has a strong presentation in psychopathology, i.e. fear of penetration, phobic avoidance, disgust, and anticipatory anxiety, we highlighted a practical psychiatric approach to the clinical management of vaginismus, based on the current core knowledge in the perspective of neuroscience.
The Role of Atypical Antipsychotics in Sexuality: Road to Recovery in Schizophrenia

Adam RL, Sidi H, Midin M, Zakaria H, Das S, Mat KC

Curr Drug Targets, 2018;19(12):1402-1411.
PMID: 28464773 DOI: 10.2174/1389450118666170502130126

Sexuality is an important dimension in human beings as a form of expression of individuality. For many decades, sexual functioning has been a neglected area among patients suffering from schizophrenia. It was a presumption that patients with schizophrenia could be asexual and this could be secondary to overwhelming situations of delusion, hallucination, hostility and negative symptoms among others. The deficient in sexual functioning are due to innate factors, i.e. negative symptoms (apathy, avolition and amotivation) and also as a result of prefrontal dysfunction, i.e. inability to plan and execute meaningful relationship. Adverse effects of the psychopharmacological agents, especially the typical antipsychotics, e.g. dystonia, excessive sedation and hyperprolactinemia may interfere with patients' sexual activity. In this review, we highlight the neurobiology of schizophrenia in the context of understanding sexual functioning and to integrate the knowledge of dopamine-serotonin neurotransmitter's interaction and the receptors' target. Interventional approaches consist of psychopharmacological and psychosocial interventions. In the perspective of sexuality, we recommend atypical antipsychotic should be placed as the first line treatment for both drug naïve patients and also to patients who are already receiving psychopharmacological agents in consideration for a drug-switch from typical to atypical antipsychotics. Aripiprazole, clozapine, olanzapine and quetiapine exert benefits in terms of sexual functioning recovery due to their atypical mechanism of action. However, the potential adverse effect like metabolic syndrome should be adequately managed to prevent negative consequences. Psychosocial interventions, i.e. psychoeducation, destigmatization, supportive psychotherapy and psychiatric rehabilitation also play a crucial role in the management. In conclusion, restoration of sexual function is an achievable recovery target in patients with schizophrenia through these biopsycho- social interventions.
Co-Morbid Erectile Dysfunction (ED) and Antidepressant Treatment in a Patient - A Management Challenge?

Zainol M, Sidi H, Kumar J, Das S, Ismail SB, Hatta MH, et al.

Curr Drug Targets, 2019;20(2):182-191.
PMID: 28302034 DOI: 10.2174/1389450118666170315110902

Throughout the world, antidepressants (AD) and phosphodiesterase-5 inhibitors (PDE-5i) are the commonly prescribed psychopharmacological agents for treating patients with co-morbid mental health problem and sexual dysfunction (SD). The serotonergic and noradrenergic ADs, although effective, are not without any SD adverse-effects, especially erectile dysfunction (ED). ED is a failure to obtain a satisfactory erection for rewarding sexual coitus during the phases of male's sexual arousal. It is recognized as an important reason why non-adherence to treatment was observed in patients who were on AD. AD intervention caused remission to some of the pre- treatment psychopathology of ED. However, in many patients, AD potentially magnified the unwanted sexual sideeffects. This made the situation challenging for the mental health professional. These challenges are based on the complexity of ED, its etiology and the associated risk factors, which further add to its AD side-effect. The neuro-psychopharmacological basis for AD treatment selection was deliberated. Bio-psycho-social interventions are recommended at two pivotal stages. Firstly, a step should be taken for proper assessment (e.g. detailed history, psychosocial and laboratory investigations); and identify few modifiable risk factors for ED and associated mental health issues. Secondly, with guidance of an algorithm pathway, a practical intervention should include strategies such as dose reduction, augmentation or changing to an AD with lesser or no sexual adverse-effects. It is recommended that bupropion and mirtazepine to be prescribed when patients develop adverse sexual effects with serotonin selective reuptake inhibitor (SSRI), serotonin norepinephrine reuptake inhibitor (SNRI) and tricyclic antidepressant (TCA). Few suggestions which may be borne in mind are revising sexual scripts and improving sexual techniques, life-style modifications, psychotherapy and other nonpharmacological approaches which may be beneficial to both patients and their partners.
Kratom and Future Treatment for the Opioid Addiction and Chronic Pain: Periculo Beneficium?

Ismail I, Wahab S, Sidi H, Das S, Lin LJ, Razali R

Curr Drug Targets, 2019;20(2):166-172.
PMID: 28443503 DOI: 10.2174/1389450118666170425154120

Kratom (Mitragyna speciosa), a naturally existing plant found in South-East Asia, is traditionally used as a herb to help elevate a person's energy and also to treat numerous medical ailments. Other than the analgesic property, kratom has been used as an agent to overcome opioid withdrawal as it contains natural alkaloids, i.e. mitragynine, 7-hydroxymitragynine, and MGM-9, which has agonist affinity on the opioid receptors, including mu (µ) and kappa (κ). The role of neural reward pathways linked to µ-opioid receptors and both dopaminergic and gamma-Aminobutyric acid (GABA)-ergic interneurons that express µ-opioid receptors were deliberated. However, kratom has been reported to be abused together with other illicit substances with high risk of potential addiction. There are also anecdotes of adverse effects and toxicity of kratom, i.e. tremor, fatigue, seizure, and death. Different countries have distinctive regulation and policy on the plantation and use of this plant when most of the countries banned the use of it because of its addiction problems and side effects. The aim of this review is to highlight on the potential use of kratom, unique 'herbs" as a substitution therapy for chronic pain and opioid addiction, based on the neurobiological perspective of pain and the underlying mechanism of actions of drug addiction.
Understanding the Pathophysiology of Premature Ejaculation: Bridging the Link between Pharmacological and Psychological Interventions

Yusof F, Sidi H, Das S, Midin M, Kumar J, Hatta MH

Curr Drug Targets, 2018;19(8):856-864.
PMID: 27993112 DOI: 10.2174/1389450117666161215161108

Premature ejaculation (PE) is one of the commonest male sexual dysfunctions. It is characterized by ejaculation which occurs before or soon after vaginal penetration, which causes significant psychological distress to the individual, and his partner. The exact cause of PE is still unknown but several mechanisms are proposed, and these involve complex interactions of neurophysiological, psychosocial, and cognitive factors. We discuss the role of serotonin, nitric oxide, phosphodiesterase enzymes and other neurotransmitters. Treatment of PE tends to co-occur with other sexual difficulties, especially erectile dysfunction (ED). Treatment with selective serotonin reuptake inhibitors (SSRIs) and Dapoxitene are also discussed in detail. The treatment strategy requires a comprehensive holistic approach incorporating both combination of psychopharmacological agent and cognitive-behavioral therapy (CBT). The present review highlights the integration of the hypothalamic-neural and reverberating emotional circuit and discusses the etiology and treatment for patients with PE.
Serotonin Selective Reuptake Inhibitors (SSRIs) and Female Sexual Dysfunction (FSD): Hypothesis on its Association and Options of Treatment

Rappek NAM, Sidi H, Kumar J, Kamarazaman S, Das S, Masiran R, et al.

Curr Drug Targets, 2018;19(12):1352-1358.
PMID: 28025939 DOI: 10.2174/1389450117666161227142947

Sexual dysfunctions are commonly seen in women on selective serotonin reuptake inhibitors (SSRIs). The complexities of female sexual functioning are reflected through modulation of inter- playing factors like the neuropsychophysiological factors, inter-personal and relationship issue, psychiatric co-morbidities and physical disorder. The incidence of SSRIs-induced FSD is difficult to estimate because of the potential confounding effects of SSRIs, presence of polypharmacy, marital effect, socio-cultural factors and due to the design and assessment problems in majority of the studies. The exact mechanism of FSD-induced SSRIs is unknown. It has been postulated that although SSRIs may modulate other neurotransmitter system such as nitric oxide (NO), noradrenergic and dopamine in inducing FSD. In the present review, we highlight current evidence regarding potential mechanism of SSRIs in causing FSD, which include low sexual desire (low libido), arousal difficulties (lack of lubrication), and anorgasmia. The specific association of FSD to SSRI use, has not been ellucidated. The relationship is dose-dependent, and may vary among the groups with respect to mechanism of serotonin and dopamine reuptake, induction of release of prolactin from the pituitary gland, anticholinergic side-effects, inhibition of NO synthesis and emotional-memory circuit encryption for sexual experiences. Various interventional strategies exist regarding the treatment of SSRI-induced FSD and this includes tolerance, titration dosage, substitution to another antidepressant drug and psychotherapy. There is a need of better understanding of SSRIs-induced FSD for better treatment outcome.
Biological and psychological influences of cross sex hormone in transgender

Ling LS, Sidi H, Lope RAR, Das S, Baharudin A

Curr Drug Targets, 2018 May 11.
PMID: 29749310 DOI: 10.2174/1389450119666180511161420

Transgender is a complex state of bio-psycho-social dimension of human sexuality. It encompasses cognitive-emotional-behavior component that makes the person unique in his or her sexual expression. Transgender tend to use cross sex hormone in order to eradicate their secondary sexual characteristics and to facilitate the shift to their experienced gender. The common masculinising sex hormone use, i.e. Female to Male Treatment Options (FMTO) is testosterone and for feminising hormone i.e. Male to Female Treatment Options (MFTO) is a combination of estrogen with anti-androgen, respectively. Cross sex hormone, i.e. FMTO, or MFTO has biological and psychological influences on the transgender individuals. Nevertheless, cross sex hormone may also poses a range of side effect profiles, varies from the biological to psychosocial impact. The psychological impact can be paramount until it causes severe mental-health problems and even suicide. Numerous ranges of bio-psycho-social influence of cross-sex hormone were highlighted in this review as fundamental core knowledge in the art to know practice when dealing with the treatment options. In psychiatry, the change in the biological appearance may have great influence in the transgender individual, especially in the context of psychosocial and cultural perspective.
The Bio-Psycho-Social Dimension in Women's Sexual Desire: 'Argumentum ad novitatem'

Roslan NS, Jaafar NRN, Sidi H, Baharudin N, Kumar J, Das S, et al.

Curr Drug Targets, 2019;20(2):146-157.
PMID: 28641524 DOI: 10.2174/1389450118666170622090337

Sexual desire includes complex motivation and drive. In the context of biological and cognitive- emotive state art of science, it is often a neglected field in medicine. In regard to the treatment, study on women's sexual function received less attention compared to the men's sexuality. In the past, this endeavor was relatively not well disseminated in the scientific community. Recently, there was a revolutionized surge of drug targets available to treat women with low sexual desire. It is timely to review the relevant biological approach, especially in the context of pharmacotherapy to understand this interesting clinical entity which was modulated by numerous interactive psychosocial inter-play and factors. The complex inter-play between numerous dimensional factors lends insights to understand the neural mechanism, i.e. the rewards centre pathway and its interaction with external psychosocialstimulus, e.g. relationship or other meaningful life events. The function of hormones, e.g. oxytocin or testosterone regulation was described. The role of neurotransmitters as reflected by the introduction of a molecule of flibenserin, a full agonist of the 5-HT1A and partial agonist of the D4 to treat premenopausal women with low sexual desire was deliberated. Based on this fundamental scientific core knowledge, we suggest an outline on know-how of introduction for sex therapy (i.e. "inner-self" and "outer-self") where the role of partner is narrated. Then, we also highlighted on the use of pharmacological agent as an adjunct scope of therapy, i.e. phosphodiasterase-5 (PDE-5) inhibitors and hormonal treatment in helping the patient with low sexual desire.
Try to Remember: Interplay between Memory and Substance Use Disorder

Mohamed RMP, Kumar J, Yap E, Mohamed IN, Sidi H, Adam RL, et al.

Curr Drug Targets, 2019;20(2):158-165.
PMID: 28641520 DOI: 10.2174/1389450118666170622092824

Memories associated with substance use disorders, or substance-associated cues increase the likelihood of craving and relapse during abstinence. There is a growing consensus that manipulation of synaptic plasticity may reduce the strength of substance abuse-related memories. On the biological front, there are new insights that suggest memories associated with substance use disorder may follow unique neurobiological pathways that render them more accessible to pharmacological intervention. In parallel to this, research in neurochemistry has identified several potential candidate molecules that could influence the formation and maintenance of long-term memory. Drugs that target these molecules (blebbistatin, isradipine and zeta inhibitory peptide) have shown promise at the preclinical stage. In this review, we shall provide an overview of the evolving understanding on the biochemical mechanisms involved in memory formation and expound on the premise that substance use disorder is a learning disorder.

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