R thalidomide uses

Thalidomide Oral: Uses, Side Effects, Interactions

This medication is used to treat or prevent certain skin conditions related to Hansen's disease, once known as leprosy (erythema nodosum leprosum). Thalidomide is also used to treat a certain type.. The (R)-enantiomer, shown in the figure, has sedative effects, whereas the (S)-isomer is teratogenic. Under biological conditions, the isomers interconvert, so separating the isomers before use is ineffective. More recently, thalidomide has proven useful for treating cancer and leprosy and is approved for these uses What is thalidomide? Thalidomide is used together with dexamethasone to treat multiple myeloma (bone marrow cancer). Thalidomide is also used to treat and prevent moderate to severe skin lesions caused by leprosy. Thalidomide is available only in a 28-day supply from a certified pharmacy under a special program

Thalidomide - American Chemical Societ

  1. For instance, R -thalidomide is used to treat nausea, but S-thalidomide can cause birth defects. Given that more than 50% of newly developed pharmaceuticals have chiral centres, the analysis of the enantiopurity of small molecules is crucial in drug development
  2. Thalidomide, sold under the brand names Contergan and Thalomid among others, is a medication used to treat a number of cancers (including multiple myeloma), graft-versus-host disease, and a number of skin conditions including complications of leprosy. While it has been used in a number of HIV-associated conditions, such use is associated with increased levels of the virus
  3. A central nervous system depressant used to induce drowsiness or sleep or to reduce psychological excitement or anxiety. Racemic thalidomide was originally introduced as a sedative and hypnotic for treatment of morning sickness in 1957, but was withdrawn from use in the early 1960s after it was shown to produce severe teratogenic effects
  4. Description. (R)-Thalidomide ( (R)- (+)-Thalidomide) is the R-enantiomer of Thalidomide. (R)-Thalidomide has sedative properties [1] [2] . In Vitro. The transport of the (R)-Thalidomide from the R-imprinted MIP-1 through the donor phase to the receiver phase is much less owing to the stronger retention of the thalidomide in the organic phase
  5. The thalidomide molecule occurs naturally in two forms, (R)- thalidomide and (S)- thalidomide, which are enantiomers, or mirror image molecules, of each other. The (R)-form has remedial properties, while the (S)-form is a teratogen, an agent that can cause birth defects
  6. Thalidomide is still used (rarely) for a variety of conditions. It is possible to make the compound in only one of the two forms, but because there is always some small proportion of the S-isomer, great pains are taken to avoid exposing women of childbearing age to it

Thalidomide Uses, Side Effects & Warnings - Drugs

Despite its harmful side effects, thalidomide is FDA-approved for two uses today—the treatment of inflammation associated with Hansen's disease (leprosy) and as a chemotherapeutic agent for patients with multiple myeloma, purposes for which it was originally prescribed off-label (R)-thalidomide is a 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione that has R-configuration at the chiral centre. It has a role as a sedative. It is an enantiomer of a (S)-thalidomide. ChEBI. Contents. 1 Structures Expand this section. 2 Names and Identifiers Expand this section

Thalidomide was a widely used drug in the late 1950s and early 1960s for the treatment of nausea in pregnant women. It became apparent in the 1960s that thalidomide treatment resulted in severe birth defects in thousands of children. Though the use of thalidomide was banned in most countries at that One medical application of thalidomide involves its ability to assist in the treatment of multiple myeloma, and it was approved for this use by the US Food and Drug Administration in 2006. It is believed that thalidomide prevents the growth of tumors by inhibiting angiogenesis The transport of the (R)-Thalidomide from the R-imprinted MIP-1 through the donor phase to the receiver phase is much less owing to the stronger retention of the thalidomide in the organic phase. With the affinity of (R)-Thalidomide by the MIP present surface capture, that is more strongly than the other forms

Buy (R)-(+)-Thalidomide (CAS 2614-06-4), one isomer of the antiangiogenic Thalidomide, from Santa Cruz. Purity: ≥98%, MF: C13H10N2O4, MW: 258.2 Thalidomide is used together with dexamethasone to treat multiple myeloma (bone marrow cancer).Thalidomide is also used to treat and prevent moderate to severe skin lesions caused by leprosy.. Thalidomide is available only in a 28-day supply from a certified pharmacy under a special program. You must be registered in the program and agree to use birth control as required One patient had DVT, which responded to anti-coagulant therapy. Other toxic effects included infections, skin reactions. There was no toxic death. Conclusion: Long-term use of thalidomide is safe, effective and feasible. We feel that this is one of few reports describing safety and efficacy of long-term thalidomide in relapsed and refractory MM Thalidomide was first marketed in the late 1950s as a sedative and was used in the treatment of nausea in pregnant women ().Within a few years of the widespread use of thalidomide in Europe, Australia, and Japan, approximately 10,000 children were born with phocomelia, leading to the ban of thalidomide in most countries in 1961

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Thalidomide is also sometimes used to treat certain skin conditions involving swelling and irritation Thalidomide is a synthetic derivative of glutamic acid (alpha-phthalimido-glutarimide) with teratogenic, immunomodulatory, anti-inflammatory and anti-angiogenic properties. Thalidomide acts primarily by inhibiting both the production of tumor necrosis factor alpha (TNF-alpha) in stimulated peripheral monocytes and the activities of interleukins and interferons Thalidomide is one of the most notorious drugs, responsible for a tragic global medical disaster of limb malformations in the late 1950s 1,2,3,4,5,6,7.Thalidomide had mainly been prescribed as a. Not so long after that, new therapeutical effects were discovered to thalidomide, for treating or alleviating leprosy, systemic lupus erythematosus and some cancers, among others. The drug is currently available in many countries for these uses. To know more about the actual uses of thalidomide, click here Thalidomide was released in the late 1950's as a nonaddictive, nonbarbiturate sedative by the German pharmaceutical company, Chemie‐Grunenthal (Fig. (Fig.1). 1 ). Thalidomide was very effective and quickly discovered to also be an effective anti‐emetic and used to treat morning sickness in pregnant women

(R)-Thalidomide - an overview ScienceDirect Topic

is given pure (R)-thalidomide or (S)-thalidomide, both isomers can be found in the serum - therefore, administering only one enantiomer will not prevent the teratogenic effect in humans. The mechanism is being debated, with current literature that suggests that it intercalates into the DNA in G-C rich regions (Fig. 3).2 Adverse Drug Reactions2 1 It turns out that R-thalidomide, one of the two mirror image forms of the molecule, is effective as a sedative, an anti-anxiety drug, an anti-cancer drug, a drug against leprosy, and a drug against the terrible nausea that often strikes pregnant women. On top of all this, R-thalidomide produces only very minor side effects Molbase Encyclopedia provides (R)-thalidomide (2614-06-4) basic information, physical and chemical properties, safety information, toxicity, customs data, synthetic routes, maps, MSDS, generation methods and uses, and its upstream and downstream products, find (R)-thalidomide introduction, on the Molbase Encyclopedia

Thalidomide - Wikipedi

The thalidomide disaster led to the development of more structured drug regulations and control over drug use and development. Thalidomide is chiral, and the Contergen was a racemic mixture: equal amounts of the (R)- and (S)-enantiomers. The two enantiomers cause distinctly different effects from one another, and it is thought that only one is. Thus, the use of pure (+)-(R)-thalidomide instead of the racemate would not have prevented the Contergan tragedy happening. [PDF, 560KB] Brand Names The Many Faces of Thalidomide Comprehensive list of thalidomide's brand names in different countries. Contergan and the company Grünenthal The thalidomide is a chiral molecule. However, the drug was made and marketed as a racemic mixture of the (+)- (R)-thalidomide and (-)- (S)-thalidomide. Tragically, thalidomide was found to have serious side-effects; thousands of babies were born with missing or abnormal arms, hands, legs, or feet. It was banned by many countries in 1961 Scientists have finally discovered why a drug that was commonly prescribed as a quick cure for morning left thousands of babies with major birth defects. Thalidomide was once a household name, but.

(S)-thalidomide and (R)-thalidomide. What is the relationship between these two compounds? If the optical rotation of (S)-thalidomide is -43o at 22o C and 1.5g/mL solution concentration, what would you expect the rotation of (R)- thalidomide to be under the same experimental conditions Thalidomide is used along with dexamethasone to treat multiple myeloma in people who have been recently found to have this disease. It is also used alone or with other medications to treat and prevent skin symptoms of erythema nodosum leprosum (ENL; episodes of skin sores, fever, and nerve damage that occur in people with Hansen's disease [leprosy]) 14. Faver IR, Guerra SG, Su WP, el-Azhary R. Thalidomide for dermatology: a review of clinical uses and adverse effects. Int J Dermatol 2005; 44(1): 61-7. 15. Rutter A, Luger TA. High-dose intravenous immunoglobulins: an approach to treat severe immune-mediated and autoimmune diseases of the skin. J Am Acad Dermatol 2001; 44(6): 1010-24 Similarly, the 16 (R)-thalidomide molecules display essentially the same conformation, which is distinct from that of (S)-thalidomide as described below, and exhibit a small averaged rms deviation.

(R)-thalidomide (CHEBI:61917

1 Introduction. Thalidomide is a small molecule with immunomodulatory properties. It is currently approved for the treatment of erythema nodosum leprosum, an immunological complication of leprosy and multiple myeloma. It has also been used in several other inflammatory diseases of the skin and of the mucosal membranes, such as Behcet disease, oropharingeal ulcers in AIDS, cutaneous lupus, and. Currently, since 2006 it is used for treatment in its pure (R)-form for: - Inhibition of blood vessel growth - Human Immune System activation - As an inflammatory drug. Other Drugs with similar effects to thalidomide come under the class of immunomodulatory drugs. Examples are: - CC-5013 (lenalidomide

11. Paghdal KV, Schwartz R. Thalidomide and its dermatologic uses. Acta Dermatovenerol Croat. 2007;15:39-44. 12. Alfadley A, Al-Hawsawi K, Thestrup-Pedersen K, et al. Treatment of prurigo nodularis with thalidomide: a case report and review of the literature. Int J Dermatol. 2003;42:372-375. 13 Even with this knowledge, however, pure (R)-thalidomide is not safe, because enzymes in the body rapidly convert between the two enantiomers - we will see how that happens in chapter 12. As a historical note, thalidomide was never approved for use in the United States. This was thanks in large part to the efforts of Dr. Frances Kelsey, a Food.

the (+)(R)-thalidomide is an effective sedative, whereas the (-)(S)-thalidomide is a teratogen (a substance affecting the development of the foetus and causing structural or functional disability). Therefore, the enantiomeric composition of a chiral drug is a critically importan Excerpt from the July 19, 1969 issue of Science News. SECOND CHANCE Thalidomide, a sedative prescribed to pregnant women in the 1950s and early 1960s, was banned for causing severe birth defects.

(R)-Thalidomide ((R)-(+)-Thalidomide) MedChemExpres

Importance of enantiomers (-)(S)-thalidomide (+)(R)-thalidomide Effective sedative Teratogenic The thalidomide tragedy forced drug companies to reconsider enantiomers as separate molecules rather than just different forms of the same drug. 8 9 The Tragedy of Thalidomide in Canada. Except otherwise indicated, the information on this page is mostly taken from the Report of the Thalidomide Task Force of the War Amputations of Canada, published on February 14 1989.If you wish to read the synopsis of this report, click here.TVAC thanks them for this important work of research

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Brazil has one of the highest incidence rates of Leprosy in the world. It has legally manufactured and used Thalidomide since 1965 when it was accidentally discovered to reduce symptoms of the ancient disease and promote cures. It has also caused 63 phocomelia cases since 1965. The most enigmatic question about Thalidomide remains The S and R thalidomide. In 1979, Blaschke et al. discovered that the S and R thalidomide enantiomers display different biological properties. Only the (S)-enantiomeris responsible for the teratogenic side effects, while no teratogenicity was observed for the (R)-isomer in animal experiments.However, the (R)-thalidomide can undergo considerable racemization after incubation in buffer solution. The natural R-thalidomide is used as a mild sedative whereas the S-form of the drug is a teratogen, a substance that can affect foetal growth which may result in skeletal or neurological disabilities. One such detection method is by High Performance Liquid Chromatography.

The Thalidomide Tragedy and its Lasting Effects - SQ Onlin

Racemic thalidomide was originally introduced as a sedative and hypnotic for treatment of morning sickness in 1957, but was withdrawn from use in the early 1960s after it was shown to produce severe teratogenic effects. It was subsequently found that the (R)-enantiomer is effective against morning sickness, whereas the (S)-enantiomer is teratogeni The Reality of Optical Isomerism In Thalidomide Laboratory tests after the thalidomide disaster showed that in some animals the 'S' enantiomer was tetragenic but the 'R' isomer was an effective sedative.It is now known that even when a stereo selective sample of thalidomide (only one of the optical isomers) is created, if administered pH in the body, can cause racemizing Thalidomide, sold under the brand names Contergan and Thalomid among others, is a medication used to treat a number of cancers (including multiple myeloma ), graft-versus-host disease, and a number of skin conditions including complications of leprosy The dynamic fliplike motion in the (R)-thalidomide dimer has been reported for the first time. The vibrational circular dichroism (VCD) spectrum of (R)-thalidomide in DMSO-d6 indicates the characteristic νCO bands with opposite signs and reflects the structural property of the equatorial configuration of the phthalimide ring. On the other hand, the VCD spectrum of (R)-thalidomide in CDCl3. The Grunenthal Group said in a statement today it 'regrets' the consequences of the drug, which was used to combat morning sickness but led to the birth of children without limbs during the 1950s.

Application. Thalidomide has been used to study its teratogenic effects in chicken embryos and human embryonic cells. This study reported that thalidomide causes limb defects by stabilizing PTEN, inhibiting the expression of Akt and activating caspase-dependent apoptosis. Thalidomide has also been used for studying glutathione mediated. Thalidomide has not been studied during breastfeeding. Based on its chemical properties, it is expected to pass into breast milk. The drug may cause drowsiness in a breastfed infant, but the exact effects of thalidomide on the breastfed infant are unknown. Until more is known, it is not recommended that women breastfeed while taking thalidomide.

Thalidomide & the Importance of Stereochemistr

ABC News. ) Thalidomide is a drug that was widely used by pregnant women in the late 1950s and early '60s to relieve nausea and as a sedative, but it was later shown that women who took the drug. R- Thalidomide and it analogs have recently been a subject of numerous studies. In 1998 the USFDA approved R- Thalidomide for use in treating leprosy symptoms and studies indicate some promising results for use in treating symptoms associated with AIDS, Lupus, rheumatoid arthritis, inflammatory bowel disease and Multiple Myeloma.1

The Thalidomide Tragedy: Lessons for Drug Safety and

  1. Here, the synthesis of thalidomide is reviewed in chronological order from the first report. We first aim to give an overview of the most conventional aspects of thalidomide. Subsequently, we will focus on the synthesis of racemic thalidomide, which is now commercially available. Finally, we will describe the asymmetric synthesis of thalidomide
  2. Use of PBN prevents this thalidomide-induced upregulation and appears to protect the embryo from thalidomide-induced damage (Knobloch et al., 2007, 2011). Dkk1 is a downstream target of Bmps and is an antagonist of Wnt, which also regulates cell survival and proliferation
  3. Expert Answer. a. The R and S enantiomer of thalidomide is shown below. b. The two enantiomers can racemize very rapidly due to the hydrogen, on the chiral carbon, bonded to the phthalimide fragment, of the glutamid view the full answer. Previous question Next question
  4. THALIDOMIDE (α-N-phthalylglutamic-acid-imide), a glutamic acid derivative, was first synthesized in 1956 by Kunz and his coworkers in West Germany. 1,2 Thalidomide became widely used as a sleeping aid but was removed from the market after teratogenic and neurologic effects were established. 3-12 Subsequently, thalidomide became available only for experimental purposes
  5. The use of trade names and/or commercial products in this review is for identification purposes only and constitutes neither a recommendation nor an endorsement for use by the author, the New York University School of Medicine, or the New York City Poison Control Center. R(+)-thalidomide was reported to be responsible for sedative effects.
  6. Thalidomide is racemic; while R-thalidomide is the bioactive form of the molecule, the individual enantiomers can racemize to each other due to the acidic hydrogen at the chiral centre, which is the carbon of the glutarimide ring bonded to the phthalimide substituent. Thalidomide is provided as a racemic mixture of two enantiomers; while there.
  7. The 2D chemical structure image of (-)-Thalidomide is also called skeletal formula, which is the standard notation for organic molecules. The carbon atoms in the chemical structure of (-)-Thalidomide are implied to be located at the corner(s) and hydrogen atoms attached to carbon atoms are not indicated - each carbon atom is considered to be associated with enough hydrogen atoms to provide.

In more recent years, it has returned to clinical use in the treatment of leprosy and some cancers, but only under strict guidelines to avoid use in women who are or may become pregnant. https://organicchemexplained.com - R-thalidomide - Buy Royalty Free 3D model by Organic Chemistry Explained! (@organicchemexplained) [58185fa The use of thalidomide is recommended in the maintenance setting after the ASCT, by the fact that in vitro thalidomide could act as a T-cell co-stimulator, enhancing virus-specific CD8(+) T-cell cytokine production and cytotoxic activity,[1 25] which means the immune recovery phase will be even more profound to induce accurate hepatic injury The most commonly used procedure for separating enantiomers is to convert them to a mixture of diastereomers that will have different physical properties: melting point, boiling point, solubility, and so on (Section 5-5). For example, if you have a racemic or D,L mixture of enantiomers of an acid and convert this to a salt with a chiral base. Thalidomide (n.). 1. A piperidinyl isoindole originally introduced as a non-barbiturate hypnotic, but withdrawn from the market due to teratogenic effectsIt has been reintroduced and used for a number of immunological and inflammatory disorders. Thalidomide displays immunosuppresive and anti-angiogenic activity Thalomid (R) (Thalidomide) capsules - A review of the first 18 months of spontaneous postmarketing adverse event surveillance, including off-label prescribing: 11: 14 973: 12: 70: 800 1999 DRUGS 58(6):953-963 Ravot E; Lisziewicz J; Lori F New uses for old drugs in HIV infection - The role of hydroxyurea, cyclosporin and thalidomide: 3: 15 974.

Thalidomide C13H10N2O4 - PubChe

  1. Enantioselective synthesis, also called asymmetric synthesis, is a form of chemical synthesis. It is defined by IUPAC as: a chemical reaction (or reaction sequence) in which one or more new elements of chirality are formed in a substrate molecule and which produces the stereoisomeric (enantiomeric or diastereoisomeric) products in unequal amounts.. Put more simply: it is the synthesis of a.
  2. Norio Shibata. The protocol of micro-flow nucleophilic pentafluoroethylation using pentafluoroethane (HC2F5, HFC-125), a nontoxic, inexpensive, and commercially available greenhouse gas, is.
  3. Population, intervention, comparator, outcome and study design (PICOS criteria) were used to identify RCTs as per the criteria below: Population: patients with newly diagnosed MM (NDMM) not eligible for SCT; Intervention: treatments with R, thalidomide (T), V or dara and any combination of these; Comparator: any; Outcome: PFS; Study design.
  4. Uses Optically active isomer of Thalidomide, which inhibits FGF-induced angiogenesis. Inhibits replication of human immunodeficiency virus type 1. Teratogenic sedative Definition ChEBI: A 2-(2,6-dioxopiperidin-3-yl)-1H-isoindole-1,3(2H)-dione that has R-configuration at the chiral centre. (R)-(+)-THALIDOMIDE Preparation Products And Raw material

Thalidomide: the tragedy of birth defects and the

National Institutes of Health . . . Turning Discovery Into Health The enantiomers can interconvert in vivo - that is, if a human is given pure (R)-thalidomide or (S)-thalidomide, both isomers can be found in the serum - therefore, administering only one enantiomer will not prevent the teratogenic effect in humans

but use of thalidomide in this setting to delay progression to symptomatic disease remains controversial. CC-5013, an immunomodulatory derivative of thalidomide with a favourable side-effect profile, has shown promise in relapsed and refractory myeloma, with 71% of 24 patients treated showing a reduction of paraprotein concentrations of 25% Forty years on from its worldwide withdrawal, thalidomide is currently undergoing a remarkable renaissance as a novel and powerful immunomodulatory agent. Over the last decade it has been found to be active in a wide variety of inflammatory and malignant disorders where conventional therapies have failed. Recently, considerable progress has been made in elucidating its complex mechanisms of. (R)-thalidomide is a sedative and antiemetic (antiemetics are drugs which treat nausea and vomiting), while (S)-thalidomide is teratogenic. Sometimes, medicines which exist in enantiomeric forms can be successfully separated and used in the pure R or S form. In the case of thalidomide, it has been established that the two forms interconvert in. thalomid(r) (thalidomide) capsules 50 mg, 100 mg, & 200 mg. warning: if thalidomide is taken during pregnancy, it can cause severe birth defects or death to an unborn baby. thalidomide should never be used by women who are pregnant or who could become pregnant while taking the drug Start studying Thalidomide. Learn vocabulary, terms, and more with flashcards, games, and other study tools

The Effects of Thalidomide on Embryonic Development The

  1. ikel • Cambridge, MA. In the second episode of Breaking Bad, Walter White teaches his chemistry class about chirality:. For instance, thalidomide. The right-handed isomer of the drug thalidomide is a perfectly fine, good medicine to give to a pregnant woman to prevent morning sickness, but make the mistake of giving that same pregnant woman.
  2. Single-agent thalidomide was used by Singhal and colleagues almost 10 years ago. 9 This crucial study showed the future development of the drug, since it first established the in vivo efficacy of thalidomide against myeloma. In relapsed patients, thalidomide monotherapy showed partial response (PR) rates of 25% to 30%
  3. al half.
  4. Purpose: This research investigated the biotransformation of thalidomide by cytochrome P-450 (CYP). Experimental Design: We used liver microsomes from humans and/or animals and the recombinant specific CYP isozymes to investigate CYP-mediated metabolism of thalidomide. Results: Thalidomide was biotransformed into 5-hydroxythalidomide (5-OH) and diastereomeric 5′-hydroxythalidomide (5′-OH.
  5. Thalidomide is a hypnotic and anti-nausea drug that was given to many patients, including pregnant women in Canada and Europe in the late 1950's to early 1960's. There is one chiral center in thalidomide. In the rotating animated views of the two thalidomide enantiomers, find the chiral centers and notice how subtle the differences are in.
  6. Thalidomide is initially promoted as a sedative, inhibits cereblon (CRBN), a part of the cullin-4 E3 ubiquitin ligase complex CUL4-RBX1-DDB1, with a Kd of ∼250 nM, and has immunomodulatory, anti-inflammatory and anti-angiogenic cancer properties. - Mechanism of Action & Protocol
  7. The (+)-(R)-thalidomide concentration associated with a 50% probability of sleep and a tiredness score of 3 (moderate) was 0.5-0.7 ug/ml in the present study. Thus, a prob- ability for moderate tiredness and for falling asleep would be around 50% after a single oral dose of 100-200 mg. This is in agreement with the findings that 33-100% of all.
Acetone can be an all-around solution - Woodshop News25 Amazingly Creative Ways To Repurpose Vintage Jewelry19 DIY Newspaper Bags | Guide Patterns10 Surprising Uses for Paper Clips[HS] I don't understand something about optical isomers(PDF) Discriminatory Dissolution Test for Tablets

Thalidomide modifies or regulates the immune system and has anti-inflammatory properties. It is used as an immunomodulator to treat graft-versus-host reactions. It suppresses tumor necrosis factor alpha production and leads to a predominant differentiation of Th2 lymphocytes, with suppression of interleukin 2-producing Th1 cells Calderon P; Anzilotti M; Phelps R Thalidomide in dermatology. New indications for an old drug: 22: 27 37: 48: 79: 761 1999 BIODRUGS 11(6):409-416 Powell RJ Thalidomide - Current uses: 1: 2 38: 48: 68: 1208 2001 HAUTARZT 52(8):726-733 Kuhn A; Hefter H; Ruzicka T; Lehmann P Rediscovery of thalidomide. Successful treatment of discoid lupus. Congo red. Congo red is not the name of a famous African explorer, but a dye that dates to 1883. It was synthesized by P. Böttiger as a textile dye, but it subsequently became more important as a pH indicator. It colors aqueous solutions blue below pH 3.0 and becomes red above pH 5.0. Recently, I. A. Buhimschi and co-workers at. Besides having a sedative effect (hypnotic), the compound thalidomide also has an adverse developmental effect, which is attributable to its two mirror-image forms (R)-thalidomide and (S)-thalidomide THE THALIDOMIDE TRAGEDY: Another Example Of Animal Research Misleading Science. Thalidomide, the nightmare drug responsible for over 10,000 human birth deformities, has again reared its ugly head with the appearance of its dreadful effects being passed on to the children of victims